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Kirby Morgan® Bulletins

SuperLite® 27®

04 of 2026 Change to Product
P/N 560-111 Locking Collar is Now Made of Stainless Steel with a New Feature
03 of 2026 General Notice
Fraud Posed to Buyers of KMDSI Products
02 of 2026 Change to Product
P/N 560-074 Bottom Ring Is Now Stainless Steel 316L With Two New Features
08 of 2025 Maintenance & Repair
P/N 505-455 455 Balanced Regulator Recommended Attention
07 of 2025 Safety
455 Balanced Regulator P/N 505-455: Required Attention
06 of 2025 Change to Product
P/N 520-008 Silicone Oil is now SYNCO SuperLube®
05 of 2025 New Product
P/N 540-340 455 Purge Check Tool
04 of 2025 Maintenance & Repair
Port Insert Test Sheet
03 of 2025 Change to Product
P/N 120-301 USB Drive and User Guides are now a Metal QR Code Card
01 of 2025 Change to Product
P/N 550-113 Neck Pad Adjustment Nut Is Now Made From Stainless Steel
12 of 2024 New Product
P/N 510-750 SL 27® Head Cushion
11 of 2024 Change to Product
P/N 540-552 Side Block Wrench Now Has New Features
10 of 2024 New Product
P/N 510-724 Low Volume Oral Nasal (LVON)
09 of 2024 Change to Product
P/N 250-031 Adjustable Nipple Will Be Replaced With P/N 550-163 Adjustable Nipple
07 of 2024 General Notice
Misuse of Installed Bent Tubes on Kirby Morgan® Helmets and BandMasks®
05 of 2024 Discontinuance Of Product
P/N 100-100 Warranty Card is Discontinued
03 of 2024 Change to Product
P/N 550-050 Jam Nut Now 316L Stainless Steel
11 of 2023 Change to Product
P/N 560-542 Stepped Ring, Stainless Steel Now Has Rounded Edges
09 of 2023 Safety
Counterfeit Kirby Morgan® Products from VR Dive Vision
08 of 2023 Change to Product
P/N 560-078 Stepped Neck Dam Ring Replaced By P/N 560-542 Stepped Ring, Stainless Steel & Obsoleting Several Neck Ring Assemblies
07 of 2023 Safety
Counterfeit Kirby Morgan® Products
06 of 2023 Safety
Unauthorized Resellers and Voided Warranty
05 of 2023 New Product
New Kits, Part Numbers 525-315, 525-321 and 525-350
02 of 2023 Change to Product
P/N 515-034 Spacer Washer Now on P/N 505-047 MWPC
10 of 2022 Safety
Counterfeit Kirby Morgan® 28 BandMasks® with Duplicate Serial Numbers
8 of 2022 Change to Product
P/N 540-095 Packing Washer Now 316L Stainless Steel
6 of 2022 Change to Product
P/N 550-549 Balance Spacer Now Uses One O-ring
5 of 2022 Change to Product
P/N 540-053 455 Regulator Cover Guard
2 of 2022 Change to Product
P/N 550-081 Regulator Mount Nut Now Silicon Bronze
5 of 2021 Change to Product
P/N 540-105 Split Ring Now P/N 540-546 Split Ring, Stainless Steel
3 of 2021 Change to Product
560-070 & 560-071 Port Retainer Change of Material from Polished or Chromed Brass to Polished Stainless Steel
12 of 2020 Change to Product
Newly Designed Neoprene Neck Dam
7 of 2020 Change to Product
P/N 510-017 O-ring will be replaced with P/N 510-018 O-ring
5 of 2020 New Product
P/N 525-420 Comm. Module for Post Kit & P/N 525-430 Comm. Module for MWP Kit
3 of 2020 Maintenance & Repair
Cleaning and Sanitizing Kirby Morgan® Helmets, BandMasks® and Full Face Masks
5 of 2019 General Notice
Acceptable Breathing Systems for Kirby Morgan® Helmets and BandMasks®
4 of 2019 Maintenance & Repair
Maintenance Inspection Timetable for KMDSI Helmets and BandMasks
3 of 2019 Change to Product
P/N 510-776 Exhaust Valve Color of Material Changed from Clear to Black
6 of 2018 Change to Product
Head Cushion Snaps Material—Changed to Stainless Steel
3 of 2018 Discontinuance Of Product
P/N 545-100 Chin Strap Discontinued
2 of 2018 Change to Product
P/N 510-759 SL 27® Tri Valve Exhaust, Main Body Modified
14 of 2016 Maintenance & Repair
The Stability of Whisker Clamps
11 of 2016 New Product
Soft Goods Overhaul Kits for Units with 455 Regulators
9 of 2016 Maintenance & Repair
Twenty Five Years is the Recommended Service Life for Fiberglass Shells, Frames & Yokes
8 of 2016 Change to Product
P/N 525-211 Sealed Pull Pin Overhaul Kit Now for Two Pins
3 of 2016 Change to Product
The 455 Stainless Steel, Balanced Regulator is Now Available as an Option from the Factory for the following Helmets & Band Masks
14 of 2015 Change to Product
P/N 510-754 Head Cushions Change from Zippers to VELCRO® Brand Closures
12 of 2015 Caution
Misuse/Abuse of Technician Training Certificates
11 of 2015 Change to Product
The 455 Regulator Will Be Available As An Option October 2015 From The Factory, For The SuperLite® 27® Helmet.
8 of 2015 Caution
USE OF AFTER MARKET OR NON-GENUINE KIRBY MORGAN® PARTS
6 of 2015 Maintenance & Repair
This bulletin is to serve as a reminder of an important difference
in installation procedure between the port retainer screws for the
fiberglass helmets verses those of the stainless steel helmets.
5 of 2015 Change to Product
550-232 Sleeves for the sealed pull pins now marked
with groove, effective immediately
4 of 2015 New Product
525-769 Conversion Kit, 455 Regulator for KM 77
525-116 Front Standoff Kit
525-395 Conversion Kit, Rex Regulator for 37SS
3 of 2015 New Product
The 525-765 455 Balanced Regulator Conversion Kit
1 of 2015 Caution
Notice of False Training Certificates
14 of 2014 Change to Product
Hard Copy Manuals No Longer Available. USB Flash Drive Manuals now ship with, and are available on our website for All Product Manuals (Modular Format).
12 of 2014 Change to Product
540-039 Front Stand Offs (×2 per helmet) added to Kirby Morgan Helmets
7 of 2014 Change to Product
510-690 Oral Nasal Mask replaces 510-747 Oral Nasal Mask,
SuperLite® 27® Helmet only
5 of 2014 (UPDATED March 23, 2016) Maintenance & Repair
Unauthorized “Painting” (resurfacing) Helmet Shells & KMB 18 Frames
Serial Number Tampering
3 of 2014 Change to Product
Maintenance Manuals in New Modular Format on USB Flash Drive
1 of 2014 Caution
Unauthorized Sellers / Buyer Beware!
4 of 2013 Change to Product
Chin Strap Assembly, 505-111 Lengthened
2 of 2013 Maintenance & Repair
Re. 505-110 Sealed Pull Pins- standard on all Kirby Morgan helmets except
the SL 17B & MK 21
1 of 2013 New Product
Head Cushion Foam Kit P/N 525-746
7 of 2012 New Product
Pull Pin Sleeve Kit P/N 525-112
4 of 2012 New Product
New Head Cushion (p/n 510-754), Improved Head Cushion Foam Spacer Kit (HCFS, p/n 525-745) and Improved Chin Cushion (p/n 510-683)
5 of 2011 New Product
New Product Maintenance & Repair Log Book, P/N 125-001
4 of 2011 Caution
1 of 2011 Change to Product
Earphone Speaker, 515-008, is replaced by 515-090 Earphone Speaker
07 of 2010 Change to Product
530-110 Lock Nut Replaces 330-320 Lock Nut
06 of 2010 Change to Product
Length of Part Number 530-024, Screw, Increased
04 of 2010 New Product
Head Cushion Foam Spacer Kit (HCFS) Part Number 525-745
02 of 2010 New Product
Anode Kits For KMDSI Helmets And BandMasks®.
01 of 2010 Change to Product
Starboard Whisker Wing, P/N 510-786; Port Whisker Wing, P/N 510-787.
10 of 2009 New Product
New Product Oral Nasal With Lens Retainer Kit, P/N 525-775 and Lens Retainer Kit, P/N 525-776
9 of 2009 New Product
New Product Oral Nasal Mask P/N 510-747
7 of 2009 New Product
New Product Tool Kit Pouch P/N 525-613
4 of 2009 New Product
Pull Strap Assembly Kit P/N 525-770
2 of 2009 New Product
Regulator Mount Nut Socket Wrench P/N 525-625
1 of 2009 General Notice
Kirby Morgan Helmet Retaining Systems
1 of 2009 Product
Communication Module used on Kirby Morgan® Helmets & EXO® Masks P/N 320-025
2 of 2008 Change to Product
Kirby Morgan® Dive Systems is now shipping all helmets (except the 17B) with a new Pull Strap
assembly that has a 1" Stainless Steel "D" ring sewn on the end to hang the neck ring assembly and
allow proper drying. The length of the Pull Strap remains the same.
1 of 2008 Safety
Dry Suit Inflation Installation onto a Kirby Morgan® Helmet ‘B’ Side Block, Part Numbers 505-024 & 505-025
1 of 2008 Change to Product
One Way Valve Product Change
06 of 2007 Change to Product
New Flex Control Knobs, Part Numbers 520-524 & 520-525
05 of 2007 Change to Product
Microphones Now Shipping With Strain Relief Ring & Equalizing Vent
03 of 2007 Change to Product
Longer Waterproof Communications Connector Now Standard
01 of 2007 Safety
Helmet Shell Repair Caution
01 of 2007 New Kit
Regulator Conversion Kit for SuperLite® 27, Part #525-763
07 of 2006 Change to Product
Helmet Sealed Pull Pins (Part #505-110) No Longer Marked with an “S”
05 of 2006 Change to Product
Whisker Clamp Replacement Kit # 525-032
02 of 2006 Change to Product
Replacements for Recalled Valves (Reference Safety Notice #1 of 2005)
01 of 2006 Change to Product
New Air Train Gasket, KMDSI Part #510-762
16 of 2005 Change to Product
New Stepped Neck Dam Ring Part# 560-078 and Split Ring Part #540-105
15 of 2005 Change to Product
New Fasteners
12 of 2005 Change to Product
New Microphone for Kirby Morgan® Masks and Helmets
11 of 2005 New Product
Hinge Bolt Part #530-027
5 of 2005 Change to Product
Tri-Valve® Exhaust
1 of 2005 Caution
Regulator assembly Part # 505-069
1 of 2005 Safety
Defective One Way Valve Recall
03 of 2004 New Product
Quad Valve™ Exhaust (KMDSI Part #525-759)
02 of 2004 New Product
New Tri-Valve® Exhaust Kit Part # 525-752 and 525-755 (SL 27® only)
01 of 2004 Caution
Possible damage to emergency valve main body (550-140) between male pipe threads and the "B" side block bodies (550-029) as well as the manifold block body (350-050) at the mating female pipe threads.
2 of 2002 Caution
Use of Lubricants on Regulator Exhaust Valve P/N 510-552
1 of 2002 Safety
Correct Orientation of Oral Nasal Body P/N 520-020 & Valve P/N 510-550
1 of 2002 Caution
Regulator Exhaust Valve Possible Leakage
1 of 2002 Repair
Maintenance Inspection Timetable for all KMDSI Helmets and BandMasks®
1 of 2001 Repair
"Painting" (resurfacing) Helmet Shells & Mask Frames
1 of 2001 New Product
High Flow Auxiliary Valve Part # 505-070
3 of 2000 Change to Product
Change of communications assembly
3 of 1999 Change to Product
Swing Catch Retrofit & Locking Collar Plate
1 of 1999 Caution
Communications Connection Nuts
2 of 1998 Change to Product
Discontinued "As Standard" Head Cushion
1 of 1997 Caution
Predive Equipment Inspections
1 of 1996 New Part Announcement
New silicone oral nasal mask part number 510-690
04 of 1995 Change to Product
1) Swing Catch RetroFit &
2) Locking Collar Plating
01 of 1995 Change to Product
O-ring Material change.
1 of 1992 Caution
Possible loosening of Emergency Valve Assembly (P/N 505-018) from the "B" Side Block Assembly Body (P/N 550-029) on "B" side block assembly style D.S.I Helmets and Masks.
1 of 1992 Safety
SuperLite®-27 Commercial Diving Helmet

Kirby Morgan® 37

04 of 2026 Change to Product
P/N 560-111 Locking Collar is Now Made of Stainless Steel with a New Feature
03 of 2026 General Notice
Fraud Posed to Buyers of KMDSI Products
02 of 2026 Change to Product
P/N 560-074 Bottom Ring Is Now Stainless Steel 316L With Two New Features
08 of 2025 Maintenance & Repair
P/N 505-455 455 Balanced Regulator Recommended Attention
07 of 2025 Safety
455 Balanced Regulator P/N 505-455: Required Attention
06 of 2025 Change to Product
P/N 520-008 Silicone Oil is now SYNCO SuperLube®
05 of 2025 New Product
P/N 540-340 455 Purge Check Tool
04 of 2025 Maintenance & Repair
Port Insert Test Sheet
03 of 2025 Change to Product
P/N 120-301 USB Drive and User Guides are now a Metal QR Code Card
01 of 2025 Change to Product
P/N 550-113 Neck Pad Adjustment Nut Is Now Made From Stainless Steel
11 of 2024 Change to Product
P/N 540-552 Side Block Wrench Now Has New Features
10 of 2024 New Product
P/N 510-724 Low Volume Oral Nasal (LVON)
09 of 2024 Change to Product
P/N 250-031 Adjustable Nipple Will Be Replaced With P/N 550-163 Adjustable Nipple
07 of 2024 General Notice
Misuse of Installed Bent Tubes on Kirby Morgan® Helmets and BandMasks®
05 of 2024 Discontinuance Of Product
P/N 100-100 Warranty Card is Discontinued
03 of 2024 Change to Product
P/N 550-050 Jam Nut Now 316L Stainless Steel
11 of 2023 Change to Product
P/N 560-542 Stepped Ring, Stainless Steel Now Has Rounded Edges
09 of 2023 Safety
Counterfeit Kirby Morgan® Products from VR Dive Vision
08 of 2023 Change to Product
P/N 560-078 Stepped Neck Dam Ring Replaced By P/N 560-542 Stepped Ring, Stainless Steel & Obsoleting Several Neck Ring Assemblies
07 of 2023 Safety
Counterfeit Kirby Morgan® Products
06 of 2023 Safety
Unauthorized Resellers and Voided Warranty
05 of 2023 New Product
New Kits, Part Numbers 525-315, 525-321 and 525-350
10 of 2022 Safety
Counterfeit Kirby Morgan® 28 BandMasks® with Duplicate Serial Numbers
8 of 2022 Change to Product
P/N 540-095 Packing Washer Now 316L Stainless Steel
6 of 2022 Change to Product
P/N 550-549 Balance Spacer Now Uses One O-ring
5 of 2022 Change to Product
P/N 540-053 455 Regulator Cover Guard
2 of 2022 Change to Product
P/N 550-081 Regulator Mount Nut Now Silicon Bronze
1 of 2022 New Product
P/N 525-200 KM 37 with 455 Regulator Water Shroud Kit
5 of 2021 Change to Product
P/N 540-105 Split Ring Now P/N 540-546 Split Ring, Stainless Steel
3 of 2021 Change to Product
560-070 & 560-071 Port Retainer Change of Material from Polished or Chromed Brass to Polished Stainless Steel
12 of 2020 Change to Product
Newly Designed Neoprene Neck Dam
7 of 2020 Change to Product
P/N 510-017 O-ring will be replaced with P/N 510-018 O-ring
5 of 2020 New Product
P/N 525-420 Comm. Module for Post Kit & P/N 525-430 Comm. Module for MWP Kit
3 of 2020 Maintenance & Repair
Cleaning and Sanitizing Kirby Morgan® Helmets, BandMasks® and Full Face Masks
5 of 2019 General Notice
Acceptable Breathing Systems for Kirby Morgan® Helmets and BandMasks®
4 of 2019 Maintenance & Repair
Maintenance Inspection Timetable for KMDSI Helmets and BandMasks
3 of 2019 Change to Product
P/N 510-776 Exhaust Valve Color of Material Changed from Clear to Black
6 of 2018 Change to Product
Head Cushion Snaps Material—Changed to Stainless Steel
14 of 2016 Maintenance & Repair
The Stability of Whisker Clamps
11 of 2016 New Product
Soft Goods Overhaul Kits for Units with 455 Regulators
9 of 2016 Maintenance & Repair
Twenty Five Years is the Recommended Service Life for Fiberglass Shells, Frames & Yokes
8 of 2016 Change to Product
P/N 525-211 Sealed Pull Pin Overhaul Kit Now for Two Pins
7 of 2016 Change to Product
O-ring Kits & Overseas Spares Kits Are Now Obsolete
O-rings From O-ring Kits Now In Soft Goods Kits Shipping Immediately
3 of 2016 Change to Product
The 455 Stainless Steel, Balanced Regulator is Now Available as an Option from the Factory for the following Helmets & Band Masks
14 of 2015 Change to Product
P/N 510-754 Head Cushions Change from Zippers to VELCRO® Brand Closures
12 of 2015 Caution
Misuse/Abuse of Technician Training Certificates
8 of 2015 Caution
USE OF AFTER MARKET OR NON-GENUINE KIRBY MORGAN® PARTS
6 of 2015 Maintenance & Repair
This bulletin is to serve as a reminder of an important difference
in installation procedure between the port retainer screws for the
fiberglass helmets verses those of the stainless steel helmets.
5 of 2015 Change to Product
550-232 Sleeves for the sealed pull pins now marked
with groove, effective immediately
4 of 2015 New Product
525-769 Conversion Kit, 455 Regulator for KM 77
525-116 Front Standoff Kit
525-395 Conversion Kit, Rex Regulator for 37SS
3 of 2015 New Product
The 525-765 455 Balanced Regulator Conversion Kit
1 of 2015 Caution
Notice of False Training Certificates
14 of 2014 Change to Product
Hard Copy Manuals No Longer Available. USB Flash Drive Manuals now ship with, and are available on our website for All Product Manuals (Modular Format).
12 of 2014 Change to Product
540-039 Front Stand Offs (×2 per helmet) added to Kirby Morgan Helmets
5 of 2014 (UPDATED March 23, 2016) Maintenance & Repair
Unauthorized “Painting” (resurfacing) Helmet Shells & KMB 18 Frames
Serial Number Tampering
3 of 2014 Change to Product
Maintenance Manuals in New Modular Format on USB Flash Drive
1 of 2014 Caution
Unauthorized Sellers / Buyer Beware!
4 of 2013 Change to Product
Chin Strap Assembly, 505-111 Lengthened
2 of 2013 Maintenance & Repair
Re. 505-110 Sealed Pull Pins- standard on all Kirby Morgan helmets except
the SL 17B & MK 21
1 of 2013 New Product
Head Cushion Foam Kit P/N 525-746
7 of 2012 New Product
Pull Pin Sleeve Kit P/N 525-112
5 of 2012 Change to Product
Washer P/N 530-556 Added to Kit P/N 525-717 KM 37, 47, 57 and 17K Brackets Kit
4 of 2012 New Product
New Head Cushion (p/n 510-754), Improved Head Cushion Foam Spacer Kit (HCFS, p/n 525-745) and Improved Chin Cushion (p/n 510-683)
5 of 2011 New Product
New Product Maintenance & Repair Log Book, P/N 125-001
4 of 2011 Caution
1 of 2011 Change to Product
Earphone Speaker, 515-008, is replaced by 515-090 Earphone Speaker
07 of 2010 Change to Product
530-110 Lock Nut Replaces 330-320 Lock Nut
06 of 2010 Change to Product
Length of Part Number 530-024, Screw, Increased
04 of 2010 New Product
Head Cushion Foam Spacer Kit (HCFS) Part Number 525-745
02 of 2010 New Product
Anode Kits For KMDSI Helmets And BandMasks®.
01 of 2010 Change to Product
Starboard Whisker Wing, P/N 510-786; Port Whisker Wing, P/N 510-787.
10 of 2009 New Product
New Product Oral Nasal With Lens Retainer Kit, P/N 525-775 and Lens Retainer Kit, P/N 525-776
9 of 2009 New Product
New Product Oral Nasal Mask P/N 510-747
7 of 2009 New Product
New Product Tool Kit Pouch P/N 525-613
2 of 2009 New Product
Regulator Mount Nut Socket Wrench P/N 525-625
1 of 2009 General Notice
Kirby Morgan Helmet Retaining Systems
1 of 2009 Product
Communication Module used on Kirby Morgan® Helmets & EXO® Masks P/N 320-025
2 of 2008 Change to Product
Kirby Morgan® Dive Systems is now shipping all helmets (except the 17B) with a new Pull Strap
assembly that has a 1" Stainless Steel "D" ring sewn on the end to hang the neck ring assembly and
allow proper drying. The length of the Pull Strap remains the same.
1 of 2008 Safety
Dry Suit Inflation Installation onto a Kirby Morgan® Helmet ‘B’ Side Block, Part Numbers 505-024 & 505-025
1 of 2008 Change to Product
One Way Valve Product Change
06 of 2007 Change to Product
New Flex Control Knobs, Part Numbers 520-524 & 520-525
05 of 2007 Change to Product
Microphones Now Shipping With Strain Relief Ring & Equalizing Vent
04 of 2007 New Product
SuperFlow® 450 Regulator Conversion Kit, Part #525-766
03 of 2007 Change to Product
Longer Waterproof Communications Connector Now Standard
01 of 2007 Safety
Helmet Shell Repair Caution
07 of 2006 Change to Product
Helmet Sealed Pull Pins (Part #505-110) No Longer Marked with an “S”
05 of 2006 Change to Product
Whisker Clamp Replacement Kit # 525-032
02 of 2006 Change to Product
Replacements for Recalled Valves (Reference Safety Notice #1 of 2005)
01 of 2006 Change to Product
New Air Train Gasket, KMDSI Part #510-762
16 of 2005 Change to Product
New Stepped Neck Dam Ring Part# 560-078 and Split Ring Part #540-105
15 of 2005 Change to Product
New Fasteners
12 of 2005 Change to Product
New Microphone for Kirby Morgan® Masks and Helmets
11 of 2005 New Product
Hinge Bolt Part #530-027
4 of 2005 Change to Product
Quad Valve™ Cover Kit (KMDSI Part #525-762)
3 of 2005 Change to Product
Quad Valve™ Exhaust (KMDSI Part #525-759) Now Standard
1 of 2005 Safety
Defective One Way Valve Recall
1 of 2005 Caution
Regulator assembly Part # 505-069
03 of 2004 New Product
Quad Valve™ Exhaust (KMDSI Part #525-759)
01 of 2004 Caution
Possible damage to emergency valve main body (550-140) between male pipe threads and the "B" side block bodies (550-029) as well as the manifold block body (350-050) at the mating female pipe threads.
1 of 2002 Safety
Correct Orientation of Oral Nasal Body P/N 520-020 & Valve P/N 510-550
1 of 2002 Repair
Maintenance Inspection Timetable for all KMDSI Helmets and BandMasks®
1 of 2001 Repair
"Painting" (resurfacing) Helmet Shells & Mask Frames

Scuba Regulators

03 of 2026 General Notice
Fraud Posed to Buyers of KMDSI Products

SuperFlow® 350 Regulator

03 of 2026 General Notice
Fraud Posed to Buyers of KMDSI Products
03 of 2025 Change to Product
P/N 120-301 USB Drive and User Guides are now a Metal QR Code Card
05 of 2024 Discontinuance Of Product
P/N 100-100 Warranty Card is Discontinued
03 of 2024 Change to Product
P/N 550-050 Jam Nut Now 316L Stainless Steel
09 of 2023 Safety
Counterfeit Kirby Morgan® Products from VR Dive Vision
07 of 2023 Safety
Counterfeit Kirby Morgan® Products
06 of 2023 Safety
Unauthorized Resellers and Voided Warranty
10 of 2022 Safety
Counterfeit Kirby Morgan® 28 BandMasks® with Duplicate Serial Numbers
3 of 2020 Maintenance & Repair
Cleaning and Sanitizing Kirby Morgan® Helmets, BandMasks® and Full Face Masks
12 of 2015 Caution
Misuse/Abuse of Technician Training Certificates
10 of 2015 Change to Product
Helmet & Band Mask® Regulators Now Packaged & Sold as “Kits”
8 of 2015 Caution
USE OF AFTER MARKET OR NON-GENUINE KIRBY MORGAN® PARTS
1 of 2015 Caution
Notice of False Training Certificates
1 of 2014 Caution
Unauthorized Sellers / Buyer Beware!
4 of 2011 Caution
10 of 2005 New Kit
Flange Kit for SuperFlow® 350, KMDSI Part #525-027
9 of 2005 Change to Product
New SuperFlow® 350 Regulator Body, KMDSI Part #545-080
7 of 2005 Change to Product
Miller Oral/Nasal Valve Part # 910-335 Discontinued
2 of 2002 Caution
Use of Lubricants on Regulator Exhaust Valve P/N 510-552
1 of 2002 Caution
Regulator Exhaust Valve Possible Leakage
1 of 1992 Caution
Possible loosening of Emergency Valve Assembly (P/N 505-018) from the "B" Side Block Assembly Body (P/N 550-029) on "B" side block assembly style D.S.I Helmets and Masks.

Surface Supplied MOD-1

03 of 2026 General Notice
Fraud Posed to Buyers of KMDSI Products
10 of 2025 Change to Product
P/N 805-077 MOD-1 Hood Assembly w/Bib L/XL 7mm Is Now Made With Softer, More Comfortable Materials That Incorporate Advanced Features
09 of 2025 New Product
P/N 815-039 Surface Supplied Microphone Assembly
08 of 2025 Maintenance & Repair
P/N 505-455 455 Balanced Regulator Recommended Attention
03 of 2025 Change to Product
P/N 120-301 USB Drive and User Guides are now a Metal QR Code Card
06 of 2024 New Product
P/N 805-245 Bump Guard and 825-125 Bump Guard Kit
02 of 2024 Change to Product
P/N 815-045 Communications Junction Module Assembly has been updated with an improved earphone design
10 of 2023 Change to Product
P/N 810-012 O-ring Is Now Brown
09 of 2023 Safety
Counterfeit Kirby Morgan® Products from VR Dive Vision
10 of 2022 Safety
Counterfeit Kirby Morgan® 28 BandMasks® with Duplicate Serial Numbers
9 of 2022 New Product
P/N 500-800 Surface Supplied MOD-1

SuperLite® 17B

03 of 2026 General Notice
Fraud Posed to Buyers of KMDSI Products
08 of 2025 Maintenance & Repair
P/N 505-455 455 Balanced Regulator Recommended Attention
07 of 2025 Safety
455 Balanced Regulator P/N 505-455: Required Attention
04 of 2025 Maintenance & Repair
Port Insert Test Sheet
03 of 2025 Change to Product
P/N 120-301 USB Drive and User Guides are now a Metal QR Code Card
11 of 2024 Change to Product
P/N 540-552 Side Block Wrench Now Has New Features
10 of 2024 New Product
P/N 510-724 Low Volume Oral Nasal (LVON)
07 of 2024 General Notice
Misuse of Installed Bent Tubes on Kirby Morgan® Helmets and BandMasks®
05 of 2024 Discontinuance Of Product
P/N 100-100 Warranty Card is Discontinued
03 of 2024 Change to Product
P/N 550-050 Jam Nut Now 316L Stainless Steel
09 of 2023 Safety
Counterfeit Kirby Morgan® Products from VR Dive Vision
07 of 2023 Safety
Counterfeit Kirby Morgan® Products
06 of 2023 Safety
Unauthorized Resellers and Voided Warranty
10 of 2022 Safety
Counterfeit Kirby Morgan® 28 BandMasks® with Duplicate Serial Numbers
8 of 2022 Change to Product
P/N 540-095 Packing Washer Now 316L Stainless Steel
3 of 2021 Change to Product
560-070 & 560-071 Port Retainer Change of Material from Polished or Chromed Brass to Polished Stainless Steel
7 of 2020 Change to Product
P/N 510-017 O-ring will be replaced with P/N 510-018 O-ring
3 of 2020 Maintenance & Repair
Cleaning and Sanitizing Kirby Morgan® Helmets, BandMasks® and Full Face Masks
5 of 2019 General Notice
Acceptable Breathing Systems for Kirby Morgan® Helmets and BandMasks®
4 of 2019 Maintenance & Repair
Maintenance Inspection Timetable for KMDSI Helmets and BandMasks
3 of 2019 Change to Product
P/N 510-776 Exhaust Valve Color of Material Changed from Clear to Black
9 of 2018 Discontinuance Of Product
P/N 525-023 O-ring Kit for the SuperLite® 17B & MK-21 and 525-345 Helmet Spares Kit for the SuperLite® 17B and MK-21 are Discontinued
7 of 2018 Discontinuance Of Product
525-102 Double Exhaust Kit 17A/B, 525-130 Front Weight Kit, 17A/B, 525-103, 550-087 are Discontinued
14 of 2016 Maintenance & Repair
The Stability of Whisker Clamps
9 of 2016 Maintenance & Repair
Twenty Five Years is the Recommended Service Life for Fiberglass Shells, Frames & Yokes
7 of 2016 Change to Product
O-ring Kits & Overseas Spares Kits Are Now Obsolete
O-rings From O-ring Kits Now In Soft Goods Kits Shipping Immediately
4 of 2016 Change to Product
Standardization of Microphones & Earphones
12 of 2015 Caution
Misuse/Abuse of Technician Training Certificates
8 of 2015 Caution
USE OF AFTER MARKET OR NON-GENUINE KIRBY MORGAN® PARTS
6 of 2015 Maintenance & Repair
This bulletin is to serve as a reminder of an important difference
in installation procedure between the port retainer screws for the
fiberglass helmets verses those of the stainless steel helmets.
1 of 2015 Caution
Notice of False Training Certificates
1 of 2015 Change to Product
510-522 Head Cushion (for 510-521 17B Head Cushion) bag material changed
14 of 2014 Change to Product
Hard Copy Manuals No Longer Available. USB Flash Drive Manuals now ship with, and are available on our website for All Product Manuals (Modular Format).
11 of 2014 Change to Product
SL 17A/B Head Cushion, P/N 510-521. Material Improved.
525-745 Head Cushion Foam Spacer now ships with SL 17B Helmets
5 of 2014 (UPDATED March 23, 2016) Maintenance & Repair
Unauthorized “Painting” (resurfacing) Helmet Shells & KMB 18 Frames
Serial Number Tampering
3 of 2014 Change to Product
Maintenance Manuals in New Modular Format on USB Flash Drive
1 of 2014 Caution
Unauthorized Sellers / Buyer Beware!
4 of 2013 Change to Product
Chin Strap Assembly, 505-111 Lengthened
3 of 2013 Maintenance & Repair
Service Life Recommendation for Fiberglass Shells and Frames/
MK 21 Shell Conversion
5 of 2011 New Product
New Product Maintenance & Repair Log Book, P/N 125-001
4 of 2011 Caution
1 of 2011 Change to Product
Earphone Speaker, 515-008, is replaced by 515-090 Earphone Speaker
02 of 2010 New Product
Anode Kits For KMDSI Helmets And BandMasks®.
01 of 2010 Change to Product
Starboard Whisker Wing, P/N 510-786; Port Whisker Wing, P/N 510-787.
10 of 2009 New Product
New Product Oral Nasal With Lens Retainer Kit, P/N 525-775 and Lens Retainer Kit, P/N 525-776
9 of 2009 New Product
New Product Oral Nasal Mask P/N 510-747
7 of 2009 New Product
New Product Tool Kit Pouch P/N 525-613
5 of 2009 Caution
SL 17 A/B & MK 21 Neck clamp
2 of 2009 New Product
Regulator Mount Nut Socket Wrench P/N 525-625
1 of 2009 General Notice
Kirby Morgan Helmet Retaining Systems
1 of 2008 Safety
Dry Suit Inflation Installation onto a Kirby Morgan® Helmet ‘B’ Side Block, Part Numbers 505-024 & 505-025
1 of 2008 Change to Product
One Way Valve Product Change
06 of 2007 Change to Product
New Flex Control Knobs, Part Numbers 520-524 & 520-525
05 of 2007 Change to Product
Microphones Now Shipping With Strain Relief Ring & Equalizing Vent
03 of 2007 Change to Product
Longer Waterproof Communications Connector Now Standard
01 of 2007 Safety
Helmet Shell Repair Caution
08 of 2006 Change to Product
Stainless Bolt & Nut Replaces Sleeve and Bolts for Hinge on SuperLite®-17 Old Part Numbers #550-018, 530-201, New Part Numbers #530-034, 530-028
06 of 2006 Change to Product
New Manufacturing Process & Part Number for Rear Hinge Tab. Old Part Number #545-013, New Part Number #540-157
05 of 2006 Change to Product
Whisker Clamp Replacement Kit # 525-032
02 of 2006 Change to Product
Replacements for Recalled Valves (Reference Safety Notice #1 of 2005)
01 of 2006 Change to Product
New Air Train Gasket, KMDSI Part #510-762
15 of 2005 Change to Product
New Fasteners
12 of 2005 Change to Product
New Microphone for Kirby Morgan® Masks and Helmets
11 of 2005 New Product
Hinge Bolt Part #530-027
6 of 2005 Discontinuance Of Product
Discontinuance of “A” Side Block Assembly, P/N 505-022
4 of 2005 Change to Product
Quad Valve™ Cover Kit (KMDSI Part #525-762)
3 of 2005 Change to Product
Quad Valve™ Exhaust (KMDSI Part #525-759) Now Standard
1 of 2005 Safety
Defective One Way Valve Recall
03 of 2004 New Product
Quad Valve™ Exhaust (KMDSI Part #525-759)
02 of 2004 New Product
New Tri-Valve® Exhaust Kit Part # 525-752 and 525-755 (SL 27® only)
01 of 2004 Caution
Possible damage to emergency valve main body (550-140) between male pipe threads and the "B" side block bodies (550-029) as well as the manifold block body (350-050) at the mating female pipe threads.
03 of 2003 Change to Product
Neck Clamp Assembly KMDSI Part # 505-055 (and pre '89 505-003)
02 of 2003 Change to Product
Product Change to Part #550-039 Alignment Sleeve
01 of 2003 Safety
Neck Clamp Assembly
KMDSI Part # 505-055 (and pre '89 505-003)
2 of 2002 Caution
Use of Lubricants on Regulator Exhaust Valve P/N 510-552
1 of 2002 Safety
Correct Orientation of Oral Nasal Body P/N 520-020 & Valve P/N 510-550
1 of 2002 Caution
Regulator Exhaust Valve Possible Leakage
1 of 2002 Repair
Maintenance Inspection Timetable for all KMDSI Helmets and BandMasks®
1 of 2001 Repair
"Painting" (resurfacing) Helmet Shells & Mask Frames
1 of 2001 New Product
High Flow Auxiliary Valve Part # 505-070
2 of 2000 Change to Product
Material change to SL-17 Yoke
1 of 2000 Repair
The neck clamp assembly.
1 of 1999 Change to Product
Change of Yoke
1 of 1999 Maintenance & Repair
SuperLite® 17A/B & MK 21 Neck Clamp Numbering
1 of 1999 Safety
Weld Strength
1 of 1999 Caution
Communications Connection Nuts
1 of 1998 Change to Product
Product materials change to SuperLite® 17, MK 21 Visor & KMB 18 Comfort Insert
1 of 1997 Caution
Predive Equipment Inspections
1 of 1997 New Part Announcement
High Flow Emergency Valve
1 of 1997 Change to Product
Locking Device for Yoke
1 of 1996 New Part Announcement
New silicone oral nasal mask part number 510-690
03 of 1995 Caution
Drawstring Neck Dam Alteration for Fit.
02 of 1995 Change to Product
Locking Device for Yoke
01 of 1995 Safety
Counterfeit Kirby Morgan® KMB-18 BandMask® Diving Masks and SuperLite®-17 Diving Helmets.
1 of 1994 Safety
An unauthorized hole drilled in the shaft of a Plunger (P/N 550-016) on Latch Catch Assembly
(Push Pin) P/N 505-015.
1 of 1993 New Part Announcement
High Flow Emergency Valve
1 of 1992 Caution
Possible loosening of Emergency Valve Assembly (P/N 505-018) from the "B" Side Block Assembly Body (P/N 550-029) on "B" side block assembly style D.S.I Helmets and Masks.
1 of 1991 Caution
POSSIBLE LOOSENING OF LATCH CATCH ASSEMBLY PLUNGER (P/N 550-016), SCREW (P/N 530-205), AND SPRING (P/N 535-801) on the SuperLite 17 A/B Helmet.
1 of 1991 Safety
SuperLite®-17 Commercial Diving Helmet
1 of 1989 Safety
Non-Diving Failure Of Stainless Steel Adapter On The Side Block Of The DSI®
SuperLite®-17 B Reclaim Helmet During Servicing
1 of 1987 Caution
SuperLite® 17 A/B Yoke Systems - Old Style catch

Kirby Morgan® 57

03 of 2026 General Notice
Fraud Posed to Buyers of KMDSI Products
06 of 2025 Change to Product
P/N 520-008 Silicone Oil is now SYNCO SuperLube®
04 of 2025 Maintenance & Repair
Port Insert Test Sheet
01 of 2025 Change to Product
P/N 550-113 Neck Pad Adjustment Nut Is Now Made From Stainless Steel
10 of 2024 New Product
P/N 510-724 Low Volume Oral Nasal (LVON)
07 of 2024 General Notice
Misuse of Installed Bent Tubes on Kirby Morgan® Helmets and BandMasks®
11 of 2023 Change to Product
P/N 560-542 Stepped Ring, Stainless Steel Now Has Rounded Edges
09 of 2023 Safety
Counterfeit Kirby Morgan® Products from VR Dive Vision
07 of 2023 Safety
Counterfeit Kirby Morgan® Products
06 of 2023 Safety
Unauthorized Resellers and Voided Warranty
02 of 2023 Change to Product
P/N 515-034 Spacer Washer Now on P/N 505-047 MWPC
10 of 2022 Safety
Counterfeit Kirby Morgan® 28 BandMasks® with Duplicate Serial Numbers
8 of 2022 Change to Product
P/N 540-095 Packing Washer Now 316L Stainless Steel
5 of 2021 Change to Product
P/N 540-105 Split Ring Now P/N 540-546 Split Ring, Stainless Steel
12 of 2020 Change to Product
Newly Designed Neoprene Neck Dam
5 of 2020 New Product
P/N 525-420 Comm. Module for Post Kit & P/N 525-430 Comm. Module for MWP Kit
3 of 2020 Maintenance & Repair
Cleaning and Sanitizing Kirby Morgan® Helmets, BandMasks® and Full Face Masks
5 of 2019 General Notice
Acceptable Breathing Systems for Kirby Morgan® Helmets and BandMasks®
4 of 2019 Maintenance & Repair
Maintenance Inspection Timetable for KMDSI Helmets and BandMasks
3 of 2019 Change to Product
P/N 510-776 Exhaust Valve Color of Material Changed from Clear to Black
6 of 2018 Change to Product
Head Cushion Snaps Material—Changed to Stainless Steel
14 of 2016 Maintenance & Repair
The Stability of Whisker Clamps
11 of 2016 New Product
Soft Goods Overhaul Kits for Units with 455 Regulators
10 of 2016 Discontinuance Of Product
KM 57 Helmets P/N 500-080 and 500-081 Discontinued
9 of 2016 Maintenance & Repair
Twenty Five Years is the Recommended Service Life for Fiberglass Shells, Frames & Yokes
8 of 2016 Change to Product
P/N 525-211 Sealed Pull Pin Overhaul Kit Now for Two Pins
7 of 2016 Change to Product
O-ring Kits & Overseas Spares Kits Are Now Obsolete
O-rings From O-ring Kits Now In Soft Goods Kits Shipping Immediately
5 of 2016 New Product
P/N 525-757 Parts Upgrade Kit for 450 Regulator
14 of 2015 Change to Product
P/N 510-754 Head Cushions Change from Zippers to VELCRO® Brand Closures
12 of 2015 Caution
Misuse/Abuse of Technician Training Certificates
8 of 2015 Caution
USE OF AFTER MARKET OR NON-GENUINE KIRBY MORGAN® PARTS
6 of 2015 Maintenance & Repair
This bulletin is to serve as a reminder of an important difference
in installation procedure between the port retainer screws for the
fiberglass helmets verses those of the stainless steel helmets.
5 of 2015 Change to Product
550-232 Sleeves for the sealed pull pins now marked
with groove, effective immediately
4 of 2015 New Product
525-769 Conversion Kit, 455 Regulator for KM 77
525-116 Front Standoff Kit
525-395 Conversion Kit, Rex Regulator for 37SS
3 of 2015 New Product
The 525-765 455 Balanced Regulator Conversion Kit
1 of 2015 Caution
Notice of False Training Certificates
14 of 2014 Change to Product
Hard Copy Manuals No Longer Available. USB Flash Drive Manuals now ship with, and are available on our website for All Product Manuals (Modular Format).
12 of 2014 Change to Product
540-039 Front Stand Offs (×2 per helmet) added to Kirby Morgan Helmets
5 of 2014 (UPDATED March 23, 2016) Maintenance & Repair
Unauthorized “Painting” (resurfacing) Helmet Shells & KMB 18 Frames
Serial Number Tampering
3 of 2014 Change to Product
Maintenance Manuals in New Modular Format on USB Flash Drive
1 of 2014 Caution
Unauthorized Sellers / Buyer Beware!
4 of 2013 Change to Product
Chin Strap Assembly, 505-111 Lengthened
2 of 2013 Maintenance & Repair
Re. 505-110 Sealed Pull Pins- standard on all Kirby Morgan helmets except
the SL 17B & MK 21
1 of 2013 New Product
Head Cushion Foam Kit P/N 525-746
7 of 2012 New Product
Pull Pin Sleeve Kit P/N 525-112
5 of 2012 Change to Product
Washer P/N 530-556 Added to Kit P/N 525-717 KM 37, 47, 57 and 17K Brackets Kit
4 of 2012 New Product
New Head Cushion (p/n 510-754), Improved Head Cushion Foam Spacer Kit (HCFS, p/n 525-745) and Improved Chin Cushion (p/n 510-683)
5 of 2011 New Product
New Product Maintenance & Repair Log Book, P/N 125-001
1 of 2011 Change to Product
Earphone Speaker, 515-008, is replaced by 515-090 Earphone Speaker
07 of 2010 Change to Product
530-110 Lock Nut Replaces 330-320 Lock Nut
06 of 2010 Change to Product
Length of Part Number 530-024, Screw, Increased
04 of 2010 New Product
Head Cushion Foam Spacer Kit (HCFS) Part Number 525-745
02 of 2010 New Product
Anode Kits For KMDSI Helmets And BandMasks®.
01 of 2010 Change to Product
Starboard Whisker Wing, P/N 510-786; Port Whisker Wing, P/N 510-787.
10 of 2009 New Product
New Product Oral Nasal With Lens Retainer Kit, P/N 525-775 and Lens Retainer Kit, P/N 525-776
9 of 2009 New Product
New Product Oral Nasal Mask P/N 510-747
3 of 2009 Change to Product
P/N 220-050 Inlet Valve
1 of 2009 General Notice
Kirby Morgan Helmet Retaining Systems
1 of 2009 Product
Communication Module used on Kirby Morgan® Helmets & EXO® Masks P/N 320-025
2 of 2008 Change to Product
Kirby Morgan® Dive Systems is now shipping all helmets (except the 17B) with a new Pull Strap
assembly that has a 1" Stainless Steel "D" ring sewn on the end to hang the neck ring assembly and
allow proper drying. The length of the Pull Strap remains the same.
1 of 2008 Safety
Dry Suit Inflation Installation onto a Kirby Morgan® Helmet ‘B’ Side Block, Part Numbers 505-024 & 505-025
1 of 2008 Change to Product
One Way Valve Product Change
06 of 2007 Change to Product
New Flex Control Knobs, Part Numbers 520-524 & 520-525
05 of 2007 Change to Product
Microphones Now Shipping With Strain Relief Ring & Equalizing Vent
03 of 2007 Change to Product
Longer Waterproof Communications Connector Now Standard
01 of 2007 Safety
Helmet Shell Repair Caution
07 of 2006 Change to Product
Helmet Sealed Pull Pins (Part #505-110) No Longer Marked with an “S”
05 of 2006 Change to Product
Whisker Clamp Replacement Kit # 525-032
02 of 2006 Change to Product
Replacements for Recalled Valves (Reference Safety Notice #1 of 2005)
01 of 2006 Change to Product
New Air Train Gasket, KMDSI Part #510-762
16 of 2005 Change to Product
New Stepped Neck Dam Ring Part# 560-078 and Split Ring Part #540-105
15 of 2005 Change to Product
New Fasteners
12 of 2005 Change to Product
New Microphone for Kirby Morgan® Masks and Helmets
11 of 2005 New Product
Hinge Bolt Part #530-027
1 of 2005 Safety
Defective One Way Valve Recall
03 of 2004 New Product
Quad Valve™ Exhaust (KMDSI Part #525-759)
01 of 2004 Caution
Possible damage to emergency valve main body (550-140) between male pipe threads and the "B" side block bodies (550-029) as well as the manifold block body (350-050) at the mating female pipe threads.
1 of 2002 Repair
Maintenance Inspection Timetable for all KMDSI Helmets and BandMasks®
1 of 2002 Safety
Correct Orientation of Oral Nasal Body P/N 520-020 & Valve P/N 510-550
1 of 2001 Repair
"Painting" (resurfacing) Helmet Shells & Mask Frames

First Stage w/Balanced Second Stage Regulator Assembly

03 of 2026 General Notice
Fraud Posed to Buyers of KMDSI Products
03 of 2025 Change to Product
P/N 120-301 USB Drive and User Guides are now a Metal QR Code Card
05 of 2024 Discontinuance Of Product
P/N 100-100 Warranty Card is Discontinued
09 of 2023 Safety
Counterfeit Kirby Morgan® Products from VR Dive Vision
07 of 2023 Safety
Counterfeit Kirby Morgan® Products
06 of 2023 Safety
Unauthorized Resellers and Voided Warranty
10 of 2022 Safety
Counterfeit Kirby Morgan® 28 BandMasks® with Duplicate Serial Numbers
6 of 2022 Change to Product
P/N 550-549 Balance Spacer Now Uses One O-ring
3 of 2020 Maintenance & Repair
Cleaning and Sanitizing Kirby Morgan® Helmets, BandMasks® and Full Face Masks
3 of 2017 Change to Product
250-029 Balance Piston Replaced / 550-549 Balance Spacer Color Change/ New 250-065 Washer Required (Scuba Only)
12 of 2015 Caution
Misuse/Abuse of Technician Training Certificates
8 of 2015 Caution
USE OF AFTER MARKET OR NON-GENUINE KIRBY MORGAN® PARTS
2 of 2015 General Notice
An Overview of Kirby Morgan SCUBA Regulators Alone, or in SCUBA “Setups”, Paired with the First Stage Regulator.
1 of 2015 Caution
Notice of False Training Certificates
2 of 2014 New Product
Balanced 2nd Stage SCUBA Regulator
1 of 2014 Caution
Unauthorized Sellers / Buyer Beware!

SuperFlow® Scuba Regulator Assembly w/Plastic Adjustable 2nd Stage

03 of 2026 General Notice
Fraud Posed to Buyers of KMDSI Products
03 of 2025 Change to Product
P/N 120-301 USB Drive and User Guides are now a Metal QR Code Card
05 of 2024 Discontinuance Of Product
P/N 100-100 Warranty Card is Discontinued
09 of 2023 Safety
Counterfeit Kirby Morgan® Products from VR Dive Vision
10 of 2022 Safety
Counterfeit Kirby Morgan® 28 BandMasks® with Duplicate Serial Numbers
3 of 2020 Maintenance & Repair
Cleaning and Sanitizing Kirby Morgan® Helmets, BandMasks® and Full Face Masks
12 of 2015 Caution
Misuse/Abuse of Technician Training Certificates
8 of 2015 Caution
USE OF AFTER MARKET OR NON-GENUINE KIRBY MORGAN® PARTS
2 of 2015 General Notice
An Overview of Kirby Morgan SCUBA Regulators Alone, or in SCUBA “Setups”, Paired with the First Stage Regulator.
1 of 2015 Caution
Notice of False Training Certificates
1 of 2014 Caution
Unauthorized Sellers / Buyer Beware!

Full Face Mask Regulators

03 of 2026 General Notice
Fraud Posed to Buyers of KMDSI Products

Kirby Morgan® 47

03 of 2026 General Notice
Fraud Posed to Buyers of KMDSI Products
06 of 2025 Change to Product
P/N 520-008 Silicone Oil is now SYNCO SuperLube®
04 of 2025 Maintenance & Repair
Port Insert Test Sheet
01 of 2025 Change to Product
P/N 550-113 Neck Pad Adjustment Nut Is Now Made From Stainless Steel
11 of 2024 Change to Product
P/N 540-552 Side Block Wrench Now Has New Features
07 of 2024 General Notice
Misuse of Installed Bent Tubes on Kirby Morgan® Helmets and BandMasks®
11 of 2023 Change to Product
P/N 560-542 Stepped Ring, Stainless Steel Now Has Rounded Edges
09 of 2023 Safety
Counterfeit Kirby Morgan® Products from VR Dive Vision
07 of 2023 Safety
Counterfeit Kirby Morgan® Products
06 of 2023 Safety
Unauthorized Resellers and Voided Warranty
02 of 2023 Change to Product
P/N 515-034 Spacer Washer Now on P/N 505-047 MWPC
10 of 2022 Safety
Counterfeit Kirby Morgan® 28 BandMasks® with Duplicate Serial Numbers
8 of 2022 Change to Product
P/N 540-095 Packing Washer Now 316L Stainless Steel
5 of 2021 Change to Product
P/N 540-105 Split Ring Now P/N 540-546 Split Ring, Stainless Steel
12 of 2020 Change to Product
Newly Designed Neoprene Neck Dam
11 of 2020 Discontinuance Of Product
KM 47 Helmets P/N 500-070 and 500-071 Discontinued
5 of 2020 New Product
P/N 525-420 Comm. Module for Post Kit & P/N 525-430 Comm. Module for MWP Kit
3 of 2020 Maintenance & Repair
Cleaning and Sanitizing Kirby Morgan® Helmets, BandMasks® and Full Face Masks
5 of 2019 General Notice
Acceptable Breathing Systems for Kirby Morgan® Helmets and BandMasks®
4 of 2019 Maintenance & Repair
Maintenance Inspection Timetable for KMDSI Helmets and BandMasks
3 of 2019 Change to Product
P/N 510-776 Exhaust Valve Color of Material Changed from Clear to Black
6 of 2018 Change to Product
Head Cushion Snaps Material—Changed to Stainless Steel
9 of 2016 Maintenance & Repair
Twenty Five Years is the Recommended Service Life for Fiberglass Shells, Frames & Yokes
8 of 2016 Change to Product
P/N 525-211 Sealed Pull Pin Overhaul Kit Now for Two Pins
7 of 2016 Change to Product
O-ring Kits & Overseas Spares Kits Are Now Obsolete
O-rings From O-ring Kits Now In Soft Goods Kits Shipping Immediately
14 of 2015 Change to Product
P/N 510-754 Head Cushions Change from Zippers to VELCRO® Brand Closures
12 of 2015 Caution
Misuse/Abuse of Technician Training Certificates
9 of 2015 Change to Product
350-032 Main Tube is Replaced by 350-143 Main Tube
8 of 2015 Caution
USE OF AFTER MARKET OR NON-GENUINE KIRBY MORGAN® PARTS
6 of 2015 Maintenance & Repair
This bulletin is to serve as a reminder of an important difference
in installation procedure between the port retainer screws for the
fiberglass helmets verses those of the stainless steel helmets.
5 of 2015 Change to Product
550-232 Sleeves for the sealed pull pins now marked
with groove, effective immediately
4 of 2015 New Product
525-769 Conversion Kit, 455 Regulator for KM 77
525-116 Front Standoff Kit
525-395 Conversion Kit, Rex Regulator for 37SS
1 of 2015 Caution
Notice of False Training Certificates
14 of 2014 Change to Product
Hard Copy Manuals No Longer Available. USB Flash Drive Manuals now ship with, and are available on our website for All Product Manuals (Modular Format).
12 of 2014 Change to Product
540-039 Front Stand Offs (×2 per helmet) added to Kirby Morgan Helmets
5 of 2014 (UPDATED March 23, 2016) Maintenance & Repair
Unauthorized “Painting” (resurfacing) Helmet Shells & KMB 18 Frames
Serial Number Tampering
3 of 2014 Change to Product
Maintenance Manuals in New Modular Format on USB Flash Drive
1 of 2014 Caution
Unauthorized Sellers / Buyer Beware!
4 of 2013 Change to Product
Chin Strap Assembly, 505-111 Lengthened
2 of 2013 Maintenance & Repair
Re. 505-110 Sealed Pull Pins- standard on all Kirby Morgan helmets except
the SL 17B & MK 21
1 of 2013 New Product
Head Cushion Foam Kit P/N 525-746
7 of 2012 New Product
Pull Pin Sleeve Kit P/N 525-112
5 of 2012 Change to Product
Washer P/N 530-556 Added to Kit P/N 525-717 KM 37, 47, 57 and 17K Brackets Kit
4 of 2012 New Product
New Head Cushion (p/n 510-754), Improved Head Cushion Foam Spacer Kit (HCFS, p/n 525-745) and Improved Chin Cushion (p/n 510-683)
7 of 2011 New Product
REX® Regulator Exhaust Valve Part Number 510-777
5 of 2011 New Product
New Product Maintenance & Repair Log Book, P/N 125-001
4 of 2011 Caution
1 of 2011 Change to Product
Earphone Speaker, 515-008, is replaced by 515-090 Earphone Speaker
07 of 2010 Change to Product
530-110 Lock Nut Replaces 330-320 Lock Nut
06 of 2010 Change to Product
Length of Part Number 530-024, Screw, Increased
04 of 2010 New Product
Head Cushion Foam Spacer Kit (HCFS) Part Number 525-745
03 of 2010 New Product
New Kits Part Numbers
525-306, 525-307, 525-308, 525-322, 525-323, 525-377, 525-380, 525-381, 525-382.
02 of 2010 New Product
Anode Kits For KMDSI Helmets And BandMasks®.
7 of 2009 New Product
New Product Tool Kit Pouch P/N 525-613
4 of 2009 New Product
Pull Strap Assembly Kit P/N 525-770
1 of 2009 Product
Communication Module used on Kirby Morgan® Helmets & EXO® Masks P/N 320-025
1 of 2009 General Notice
Kirby Morgan Helmet Retaining Systems
2 of 2008 Change to Product
Kirby Morgan® Dive Systems is now shipping all helmets (except the 17B) with a new Pull Strap
assembly that has a 1" Stainless Steel "D" ring sewn on the end to hang the neck ring assembly and
allow proper drying. The length of the Pull Strap remains the same.
1 of 2008 Change to Product
One Way Valve Product Change
1 of 2008 Safety
Dry Suit Inflation Installation onto a Kirby Morgan® Helmet ‘B’ Side Block, Part Numbers 505-024 & 505-025
06 of 2007 Change to Product
New Flex Control Knobs, Part Numbers 520-524 & 520-525
05 of 2007 Change to Product
Microphones Now Shipping With Strain Relief Ring & Equalizing Vent
03 of 2007 Change to Product
Longer Waterproof Communications Connector Now Standard
01 of 2007 Safety
Helmet Shell Repair Caution
02 of 2006 Change to Product
Replacements for Recalled Valves (Reference Safety Notice #1 of 2005)
01 of 2006 Change to Product
New Air Train Gasket, KMDSI Part #510-762
16 of 2005 Change to Product
New Stepped Neck Dam Ring Part# 560-078 and Split Ring Part #540-105
15 of 2005 Change to Product
New Fasteners
12 of 2005 Change to Product
New Microphone for Kirby Morgan® Masks and Helmets
11 of 2005 New Product
Hinge Bolt Part #530-027
1 of 2005 Safety
Defective One Way Valve Recall
01 of 2004 Caution
Possible damage to emergency valve main body (550-140) between male pipe threads and the "B" side block bodies (550-029) as well as the manifold block body (350-050) at the mating female pipe threads.
1 of 2002 Repair
Maintenance Inspection Timetable for all KMDSI Helmets and BandMasks®
1 of 2002 Safety
Correct Orientation of Oral Nasal Body P/N 520-020 & Valve P/N 510-550
1 of 2001 Repair
"Painting" (resurfacing) Helmet Shells & Mask Frames

M-48 SuperMask

03 of 2026 General Notice
Fraud Posed to Buyers of KMDSI Products
03 of 2025 Change to Product
P/N 120-301 USB Drive and User Guides are now a Metal QR Code Card
05 of 2024 Discontinuance Of Product
P/N 100-100 Warranty Card is Discontinued
09 of 2023 Safety
Counterfeit Kirby Morgan® Products from VR Dive Vision
07 of 2023 Safety
Counterfeit Kirby Morgan® Products
06 of 2023 Safety
Unauthorized Resellers and Voided Warranty
10 of 2022 Safety
Counterfeit Kirby Morgan® 28 BandMasks® with Duplicate Serial Numbers
6 of 2022 Change to Product
P/N 550-549 Balance Spacer Now Uses One O-ring
14 of 2020 New Product
P/N 825-050 Earphone Pocket Kit
13 of 2020 New Product
P/N 815-060 Communication Assembly for the SuperMask® and MOD-1
3 of 2020 Maintenance & Repair
Cleaning and Sanitizing Kirby Morgan® Helmets, BandMasks® and Full Face Masks
3 of 2017 Change to Product
250-029 Balance Piston Replaced / 550-549 Balance Spacer Color Change/ New 250-065 Washer Required (Scuba Only)
1 of 2016 Change to Product
Change to configurations offered & Rebreather Description.
“800 series” M-48 SuperMasks® & MOD-1 Full Face Masks now “805 series.”
12 of 2015 Caution
Misuse/Abuse of Technician Training Certificates
8 of 2015 Caution
USE OF AFTER MARKET OR NON-GENUINE KIRBY MORGAN® PARTS
1 of 2015 Caution
Notice of False Training Certificates
9 of 2014 Caution
Regarding Second Stages Used with
M-48 SuperMask® (P/N 800-048) and M-48 MOD 1 (P/N 800-150)
6 of 2014 Change to Product
M48 Full Face Masks without Pods now Ship
with Straps & Strap Keepers
2 of 2014 New Product
Balanced 2nd Stage SCUBA Regulator
1 of 2014 Caution
Unauthorized Sellers / Buyer Beware!
5 of 2011 New Product
New Product Maintenance & Repair Log Book, P/N 125-001
2 of 2005 New Product
New Hi Flow Inlet Swivel - Part #305-017
4 of 2002 Change to Product
Product Change to Part #800-015 SuperMask® Scuba Pod

Metal SuperFlow® Scuba Regulator

03 of 2026 General Notice
Fraud Posed to Buyers of KMDSI Products
03 of 2025 Change to Product
P/N 120-301 USB Drive and User Guides are now a Metal QR Code Card
05 of 2024 Discontinuance Of Product
P/N 100-100 Warranty Card is Discontinued
09 of 2023 Safety
Counterfeit Kirby Morgan® Products from VR Dive Vision
07 of 2023 Safety
Counterfeit Kirby Morgan® Products
06 of 2023 Safety
Unauthorized Resellers and Voided Warranty
10 of 2022 Safety
Counterfeit Kirby Morgan® 28 BandMasks® with Duplicate Serial Numbers
3 of 2020 Maintenance & Repair
Cleaning and Sanitizing Kirby Morgan® Helmets, BandMasks® and Full Face Masks
12 of 2015 Caution
Misuse/Abuse of Technician Training Certificates
8 of 2015 Caution
USE OF AFTER MARKET OR NON-GENUINE KIRBY MORGAN® PARTS
2 of 2015 General Notice
An Overview of Kirby Morgan SCUBA Regulators Alone, or in SCUBA “Setups”, Paired with the First Stage Regulator.
1 of 2015 Caution
Notice of False Training Certificates
1 of 2014 Caution
Unauthorized Sellers / Buyer Beware!
1 of 2002 Caution
Regulator Exhaust Valve Possible Leakage

455 Balanced Regulator

03 of 2026 General Notice
Fraud Posed to Buyers of KMDSI Products
05 of 2025 New Product
P/N 540-340 455 Purge Check Tool
03 of 2025 Change to Product
P/N 120-301 USB Drive and User Guides are now a Metal QR Code Card
09 of 2024 Change to Product
P/N 250-031 Adjustable Nipple Will Be Replaced With P/N 550-163 Adjustable Nipple
05 of 2024 Discontinuance Of Product
P/N 100-100 Warranty Card is Discontinued
03 of 2024 Change to Product
P/N 550-050 Jam Nut Now 316L Stainless Steel
09 of 2023 Safety
Counterfeit Kirby Morgan® Products from VR Dive Vision
07 of 2023 Safety
Counterfeit Kirby Morgan® Products
06 of 2023 Safety
Unauthorized Resellers and Voided Warranty
10 of 2022 Safety
Counterfeit Kirby Morgan® 28 BandMasks® with Duplicate Serial Numbers
6 of 2022 Change to Product
P/N 550-549 Balance Spacer Now Uses One O-ring
5 of 2022 Change to Product
P/N 540-053 455 Regulator Cover Guard
1 of 2022 New Product
P/N 525-200 KM 37 with 455 Regulator Water Shroud Kit
8 of 2020 Change to Product
P/N 530-099 Cover Retainer Screw and P/N 550-074 Bishop Pin Now Bronze
3 of 2020 Maintenance & Repair
Cleaning and Sanitizing Kirby Morgan® Helmets, BandMasks® and Full Face Masks
3 of 2019 Change to Product
P/N 510-776 Exhaust Valve Color of Material Changed from Clear to Black
11 of 2016 New Product
Soft Goods Overhaul Kits for Units with 455 Regulators
3 of 2016 Change to Product
The 455 Stainless Steel, Balanced Regulator is Now Available as an Option from the Factory for the following Helmets & Band Masks
12 of 2015 Caution
Misuse/Abuse of Technician Training Certificates
11 of 2015 Change to Product
The 455 Regulator Will Be Available As An Option October 2015 From The Factory, For The SuperLite® 27® Helmet.
8 of 2015 Caution
USE OF AFTER MARKET OR NON-GENUINE KIRBY MORGAN® PARTS
4 of 2015 New Product
525-769 Conversion Kit, 455 Regulator for KM 77
525-116 Front Standoff Kit
525-395 Conversion Kit, Rex Regulator for 37SS
3 of 2015 New Product
The 525-765 455 Balanced Regulator Conversion Kit
1 of 2015 Caution
Notice of False Training Certificates
8 of 2014 New Product
New Kits, Part Numbers 225-120, 525-304, 525-328, 525-364,
525-370, 525-630 and 525-767
1 of 2014 Caution
Unauthorized Sellers / Buyer Beware!

EXO® BR

03 of 2026 General Notice
Fraud Posed to Buyers of KMDSI Products
3 of 2020 Maintenance & Repair
Cleaning and Sanitizing Kirby Morgan® Helmets, BandMasks® and Full Face Masks
12 of 2015 Caution
Misuse/Abuse of Technician Training Certificates
10 of 2015 Change to Product
Helmet & Band Mask® Regulators Now Packaged & Sold as “Kits”
8 of 2015 Caution
USE OF AFTER MARKET OR NON-GENUINE KIRBY MORGAN® PARTS
1 of 2015 Caution
Notice of False Training Certificates
1 of 2014 Caution
Unauthorized Sellers / Buyer Beware!

Kirby Morgan® 97

03 of 2026 General Notice
Fraud Posed to Buyers of KMDSI Products
01 of 2026 Change to Product
Kirby Morgan® Now Offers Colored Cerakote® Stainless Steel Helmets
08 of 2025 Maintenance & Repair
P/N 505-455 455 Balanced Regulator Recommended Attention
07 of 2025 Safety
455 Balanced Regulator P/N 505-455: Required Attention
06 of 2025 Change to Product
P/N 520-008 Silicone Oil is now SYNCO SuperLube®
05 of 2025 New Product
P/N 540-340 455 Purge Check Tool
03 of 2025 Change to Product
P/N 120-301 USB Drive and User Guides are now a Metal QR Code Card
01 of 2025 Change to Product
P/N 550-113 Neck Pad Adjustment Nut Is Now Made From Stainless Steel
11 of 2024 Change to Product
P/N 540-552 Side Block Wrench Now Has New Features
10 of 2024 New Product
P/N 510-724 Low Volume Oral Nasal (LVON)
09 of 2024 Change to Product
P/N 250-031 Adjustable Nipple Will Be Replaced With P/N 550-163 Adjustable Nipple
08 of 2024 New Product
P/N 525-720 Stainless Steel Chin Strap Assembly Kit
07 of 2024 General Notice
Misuse of Installed Bent Tubes on Kirby Morgan® Helmets and BandMasks®
05 of 2024 Discontinuance Of Product
P/N 100-100 Warranty Card is Discontinued
03 of 2024 Change to Product
P/N 550-050 Jam Nut Now 316L Stainless Steel
11 of 2023 Change to Product
P/N 560-542 Stepped Ring, Stainless Steel Now Has Rounded Edges
09 of 2023 Safety
Counterfeit Kirby Morgan® Products from VR Dive Vision
07 of 2023 Safety
Counterfeit Kirby Morgan® Products
06 of 2023 Safety
Unauthorized Resellers and Voided Warranty
02 of 2023 Change to Product
P/N 515-034 Spacer Washer Now on P/N 505-047 MWPC
10 of 2022 Safety
Counterfeit Kirby Morgan® 28 BandMasks® with Duplicate Serial Numbers
8 of 2022 Change to Product
P/N 540-095 Packing Washer Now 316L Stainless Steel
6 of 2022 Change to Product
P/N 550-549 Balance Spacer Now Uses One O-ring
5 of 2022 Change to Product
P/N 540-053 455 Regulator Cover Guard
2 of 2022 Change to Product
P/N 550-081 Regulator Mount Nut Now Silicon Bronze
4 of 2021 Change to Product
P/N 550-046 Inlet Nipple “A” will be replaced with P/N 850-126 Hose Adapter for the Stainless Steel Side Block
1 of 2021 New Product
New Handle Grip for Stainless Steel Helmets
12 of 2020 Change to Product
Newly Designed Neoprene Neck Dam
8 of 2020 Change to Product
P/N 530-099 Cover Retainer Screw and P/N 550-074 Bishop Pin Now Bronze
7 of 2020 Change to Product
P/N 510-017 O-ring will be replaced with P/N 510-018 O-ring
5 of 2020 New Product
P/N 525-420 Comm. Module for Post Kit & P/N 525-430 Comm. Module for MWP Kit
3 of 2020 Maintenance & Repair
Cleaning and Sanitizing Kirby Morgan® Helmets, BandMasks® and Full Face Masks
5 of 2019 General Notice
Acceptable Breathing Systems for Kirby Morgan® Helmets and BandMasks®
4 of 2019 Maintenance & Repair
Maintenance Inspection Timetable for KMDSI Helmets and BandMasks
3 of 2019 Change to Product
P/N 510-776 Exhaust Valve Color of Material Changed from Clear to Black
8 of 2018 New Product
Water Shroud Kit for the Kirby Morgan® 97 Part #525-761
6 of 2018 Change to Product
Head Cushion Snaps Material—Changed to Stainless Steel
14 of 2016 Maintenance & Repair
The Stability of Whisker Clamps
12 of 2016 Maintenance & Repair
Update: Cleaning & Protection Products for “Rust & Rust Spots” on Stainless Steel Helmet Shells
8 of 2016 Change to Product
P/N 525-211 Sealed Pull Pin Overhaul Kit Now for Two Pins
7 of 2016 Change to Product
O-ring Kits & Overseas Spares Kits Are Now Obsolete
O-rings From O-ring Kits Now In Soft Goods Kits Shipping Immediately
6 of 2016 Change to Product
560-540 Stainless Steel Side Block Body / Low Pressure Ports
14 of 2015 Change to Product
P/N 510-754 Head Cushions Change from Zippers to VELCRO® Brand Closures
12 of 2015 Caution
Misuse/Abuse of Technician Training Certificates
8 of 2015 Caution
USE OF AFTER MARKET OR NON-GENUINE KIRBY MORGAN® PARTS
6 of 2015 Maintenance & Repair
This bulletin is to serve as a reminder of an important difference
in installation procedure between the port retainer screws for the
fiberglass helmets verses those of the stainless steel helmets.
5 of 2015 Change to Product
550-232 Sleeves for the sealed pull pins now marked
with groove, effective immediately
4 of 2015 New Product
525-769 Conversion Kit, 455 Regulator for KM 77
525-116 Front Standoff Kit
525-395 Conversion Kit, Rex Regulator for 37SS
3 of 2015 New Product
The 525-765 455 Balanced Regulator Conversion Kit
1 of 2015 Caution
Notice of False Training Certificates
14 of 2014 Change to Product
Hard Copy Manuals No Longer Available. USB Flash Drive Manuals now ship with, and are available on our website for All Product Manuals (Modular Format).
12 of 2014 Change to Product
540-039 Front Stand Offs (×2 per helmet) added to Kirby Morgan Helmets
10 of 2014 Change to Product
560-517 Stainless Steel Shells now with “Auxiliary Port”
8 of 2014 New Product
New Kits, Part Numbers 225-120, 525-304, 525-328, 525-364,
525-370, 525-630 and 525-767
4 of 2014 Maintenance & Repair
Cleaning And Brightening Stainless Steel Shells
3 of 2014 Change to Product
Maintenance Manuals in New Modular Format on USB Flash Drive
1 of 2014 Caution
Unauthorized Sellers / Buyer Beware!
5 of 2013 New Product
Kirby Morgan® 97 Helmet, P/N 500-700 and 500-701

Kirby Morgan® 37SS

03 of 2026 General Notice
Fraud Posed to Buyers of KMDSI Products
01 of 2026 Change to Product
Kirby Morgan® Now Offers Colored Cerakote® Stainless Steel Helmets
06 of 2025 Change to Product
P/N 520-008 Silicone Oil is now SYNCO SuperLube®
03 of 2025 Change to Product
P/N 120-301 USB Drive and User Guides are now a Metal QR Code Card
01 of 2025 Change to Product
P/N 550-113 Neck Pad Adjustment Nut Is Now Made From Stainless Steel
11 of 2024 Change to Product
P/N 540-552 Side Block Wrench Now Has New Features
10 of 2024 New Product
P/N 510-724 Low Volume Oral Nasal (LVON)
08 of 2024 New Product
P/N 525-720 Stainless Steel Chin Strap Assembly Kit
07 of 2024 General Notice
Misuse of Installed Bent Tubes on Kirby Morgan® Helmets and BandMasks®
05 of 2024 Discontinuance Of Product
P/N 100-100 Warranty Card is Discontinued
03 of 2024 Change to Product
P/N 550-050 Jam Nut Now 316L Stainless Steel
11 of 2023 Change to Product
P/N 560-542 Stepped Ring, Stainless Steel Now Has Rounded Edges
09 of 2023 Safety
Counterfeit Kirby Morgan® Products from VR Dive Vision
07 of 2023 Safety
Counterfeit Kirby Morgan® Products
06 of 2023 Safety
Unauthorized Resellers and Voided Warranty
02 of 2023 Change to Product
P/N 515-034 Spacer Washer Now on P/N 505-047 MWPC
10 of 2022 Safety
Counterfeit Kirby Morgan® 28 BandMasks® with Duplicate Serial Numbers
8 of 2022 Change to Product
P/N 540-095 Packing Washer Now 316L Stainless Steel
2 of 2022 Change to Product
P/N 550-081 Regulator Mount Nut Now Silicon Bronze
4 of 2021 Change to Product
P/N 550-046 Inlet Nipple “A” will be replaced with P/N 850-126 Hose Adapter for the Stainless Steel Side Block
1 of 2021 New Product
New Handle Grip for Stainless Steel Helmets
12 of 2020 Change to Product
Newly Designed Neoprene Neck Dam
6 of 2020 New Product
P/N 525-390 KM 37SS Water Shroud Kit
5 of 2020 New Product
P/N 525-420 Comm. Module for Post Kit & P/N 525-430 Comm. Module for MWP Kit
3 of 2020 Maintenance & Repair
Cleaning and Sanitizing Kirby Morgan® Helmets, BandMasks® and Full Face Masks
5 of 2019 General Notice
Acceptable Breathing Systems for Kirby Morgan® Helmets and BandMasks®
4 of 2019 Maintenance & Repair
Maintenance Inspection Timetable for KMDSI Helmets and BandMasks
3 of 2019 Change to Product
P/N 510-776 Exhaust Valve Color of Material Changed from Clear to Black
6 of 2018 Change to Product
Head Cushion Snaps Material—Changed to Stainless Steel
14 of 2016 Maintenance & Repair
The Stability of Whisker Clamps
12 of 2016 Maintenance & Repair
Update: Cleaning & Protection Products for “Rust & Rust Spots” on Stainless Steel Helmet Shells
8 of 2016 Change to Product
P/N 525-211 Sealed Pull Pin Overhaul Kit Now for Two Pins
7 of 2016 Change to Product
O-ring Kits & Overseas Spares Kits Are Now Obsolete
O-rings From O-ring Kits Now In Soft Goods Kits Shipping Immediately
6 of 2016 Change to Product
560-540 Stainless Steel Side Block Body / Low Pressure Ports
14 of 2015 Change to Product
P/N 510-754 Head Cushions Change from Zippers to VELCRO® Brand Closures
12 of 2015 Caution
Misuse/Abuse of Technician Training Certificates
8 of 2015 Caution
USE OF AFTER MARKET OR NON-GENUINE KIRBY MORGAN® PARTS
6 of 2015 Maintenance & Repair
This bulletin is to serve as a reminder of an important difference
in installation procedure between the port retainer screws for the
fiberglass helmets verses those of the stainless steel helmets.
5 of 2015 Change to Product
550-232 Sleeves for the sealed pull pins now marked
with groove, effective immediately
4 of 2015 New Product
525-769 Conversion Kit, 455 Regulator for KM 77
525-116 Front Standoff Kit
525-395 Conversion Kit, Rex Regulator for 37SS
1 of 2015 Caution
Notice of False Training Certificates
14 of 2014 Change to Product
Hard Copy Manuals No Longer Available. USB Flash Drive Manuals now ship with, and are available on our website for All Product Manuals (Modular Format).
12 of 2014 Change to Product
540-039 Front Stand Offs (×2 per helmet) added to Kirby Morgan Helmets
10 of 2014 Change to Product
560-517 Stainless Steel Shells now with “Auxiliary Port”
4 of 2014 Maintenance & Repair
Cleaning And Brightening Stainless Steel Shells
3 of 2014 Change to Product
Maintenance Manuals in New Modular Format on USB Flash Drive
1 of 2014 Caution
Unauthorized Sellers / Buyer Beware!
4 of 2013 Change to Product
Chin Strap Assembly, 505-111 Lengthened
2 of 2013 Maintenance & Repair
Re. 505-110 Sealed Pull Pins- standard on all Kirby Morgan helmets except
the SL 17B & MK 21
1 of 2013 New Product
Head Cushion Foam Kit P/N 525-746
7 of 2012 New Product
Pull Pin Sleeve Kit P/N 525-112
6 of 2012 Change to Product
P/N 560-300 Zinc Whisker Anodes and P/N 560-304 Zinc Sleeve Anode Installed on All Stainless Steel Helmets
4 of 2012 New Product
New Head Cushion (p/n 510-754), Improved Head Cushion Foam Spacer Kit (HCFS, p/n 525-745) and Improved Chin Cushion (p/n 510-683)
5 of 2011 New Product
New Product Maintenance & Repair Log Book, P/N 125-001
4 of 2011 Caution
1 of 2011 Change to Product
Earphone Speaker, 515-008, is replaced by 515-090 Earphone Speaker
07 of 2010 Change to Product
530-110 Lock Nut Replaces 330-320 Lock Nut
06 of 2010 Change to Product
Length of Part Number 530-024, Screw, Increased
04 of 2010 New Product
Head Cushion Foam Spacer Kit (HCFS) Part Number 525-745
03 of 2010 New Product
New Kits Part Numbers
525-306, 525-307, 525-308, 525-322, 525-323, 525-377, 525-380, 525-381, 525-382.
02 of 2010 New Product
Anode Kits For KMDSI Helmets And BandMasks®.
01 of 2010 Change to Product
Starboard Whisker Wing, P/N 510-786; Port Whisker Wing, P/N 510-787.
10 of 2009 New Product
New Product Oral Nasal With Lens Retainer Kit, P/N 525-775 and Lens Retainer Kit, P/N 525-776
8 of 2009 New Product
New Product Kirby Morgan® 37SS Diving Helmet
1 of 2009 Product
Communication Module used on Kirby Morgan® Helmets & EXO® Masks P/N 320-025
1 of 2009 General Notice
Kirby Morgan Helmet Retaining Systems
2 of 2008 Change to Product
Kirby Morgan® Dive Systems is now shipping all helmets (except the 17B) with a new Pull Strap
assembly that has a 1" Stainless Steel "D" ring sewn on the end to hang the neck ring assembly and
allow proper drying. The length of the Pull Strap remains the same.
1 of 2008 Safety
Dry Suit Inflation Installation onto a Kirby Morgan® Helmet ‘B’ Side Block, Part Numbers 505-024 & 505-025
1 of 2008 Change to Product
One Way Valve Product Change
05 of 2007 Change to Product
Microphones Now Shipping With Strain Relief Ring & Equalizing Vent
02 of 2006 Change to Product
Replacements for Recalled Valves (Reference Safety Notice #1 of 2005)
1 of 2005 Safety
Defective One Way Valve Recall
1 of 2002 Safety
Correct Orientation of Oral Nasal Body P/N 520-020 & Valve P/N 510-550
1 of 2002 Repair
Maintenance Inspection Timetable for all KMDSI Helmets and BandMasks®

KMACS-5 With Communications

03 of 2026 General Notice
Fraud Posed to Buyers of KMDSI Products
02 of 2025 Discontinuance Of Product
P/N 400-045 and P/N 400-046 KMACS-5 are Discontinued
05 of 2024 Discontinuance Of Product
P/N 100-100 Warranty Card is Discontinued
09 of 2023 Safety
Counterfeit Kirby Morgan® Products from VR Dive Vision
07 of 2023 Safety
Counterfeit Kirby Morgan® Products
06 of 2023 Safety
Unauthorized Resellers and Voided Warranty
10 of 2022 Safety
Counterfeit Kirby Morgan® 28 BandMasks® with Duplicate Serial Numbers
2 of 2016 Change to Product
KMACS 5 Communicator Manufacturer Change to OTS
12 of 2015 Caution
Misuse/Abuse of Technician Training Certificates
8 of 2015 Caution
USE OF AFTER MARKET OR NON-GENUINE KIRBY MORGAN® PARTS
1 of 2015 Caution
Notice of False Training Certificates
14 of 2014 Change to Product
Hard Copy Manuals No Longer Available. USB Flash Drive Manuals now ship with, and are available on our website for All Product Manuals (Modular Format).
1 of 2014 Caution
Unauthorized Sellers / Buyer Beware!
6 of 2011 New Kit
Part Numbers 425-090, 425-099, 525-211, 525-373, 525-385 and 525-718
05 of 2010 Change to Product
New Communicator 415-107 & Charger 415-030 for the KMACS-5, Kirby Morgan Air Control System-5.
02 of 2007 New Kit
KMACS-5 Communication Conversion Kit, Part #425-099
04 of 2006 Change to Product
New Design for Communicator for KMACS-5
14 of 2005 Change to Product
New Communications Box for KMACS & DCS
01 of 2004 New Product
New Kirby Morgan® Air Control System 5
1 of 2002 Change to Product
Product change to DCS-2A Dive Control System

Plastic SuperFlow® Scuba Regulator

03 of 2026 General Notice
Fraud Posed to Buyers of KMDSI Products
03 of 2025 Change to Product
P/N 120-301 USB Drive and User Guides are now a Metal QR Code Card
05 of 2024 Discontinuance Of Product
P/N 100-100 Warranty Card is Discontinued
09 of 2023 Safety
Counterfeit Kirby Morgan® Products from VR Dive Vision
07 of 2023 Safety
Counterfeit Kirby Morgan® Products
06 of 2023 Safety
Unauthorized Resellers and Voided Warranty
10 of 2022 Safety
Counterfeit Kirby Morgan® 28 BandMasks® with Duplicate Serial Numbers
3 of 2020 Maintenance & Repair
Cleaning and Sanitizing Kirby Morgan® Helmets, BandMasks® and Full Face Masks
12 of 2015 Caution
Misuse/Abuse of Technician Training Certificates
8 of 2015 Caution
USE OF AFTER MARKET OR NON-GENUINE KIRBY MORGAN® PARTS
2 of 2015 General Notice
An Overview of Kirby Morgan SCUBA Regulators Alone, or in SCUBA “Setups”, Paired with the First Stage Regulator.
1 of 2015 Caution
Notice of False Training Certificates
1 of 2014 Caution
Unauthorized Sellers / Buyer Beware!
1 of 2002 Caution
Regulator Exhaust Valve Possible Leakage
1 of 2001 Change to Product
Inlet Nipple Change

The REX® Regulator

03 of 2026 General Notice
Fraud Posed to Buyers of KMDSI Products
09 of 2023 Safety
Counterfeit Kirby Morgan® Products from VR Dive Vision
07 of 2023 Safety
Counterfeit Kirby Morgan® Products
06 of 2023 Safety
Unauthorized Resellers and Voided Warranty
10 of 2022 Safety
Counterfeit Kirby Morgan® 28 BandMasks® with Duplicate Serial Numbers
3 of 2020 Maintenance & Repair
Cleaning and Sanitizing Kirby Morgan® Helmets, BandMasks® and Full Face Masks
3 of 2019 Change to Product
P/N 510-776 Exhaust Valve Color of Material Changed from Clear to Black
12 of 2015 Caution
Misuse/Abuse of Technician Training Certificates
10 of 2015 Change to Product
Helmet & Band Mask® Regulators Now Packaged & Sold as “Kits”
9 of 2015 Change to Product
350-032 Main Tube is Replaced by 350-143 Main Tube
8 of 2015 Caution
USE OF AFTER MARKET OR NON-GENUINE KIRBY MORGAN® PARTS
4 of 2015 New Product
525-769 Conversion Kit, 455 Regulator for KM 77
525-116 Front Standoff Kit
525-395 Conversion Kit, Rex Regulator for 37SS
1 of 2015 Caution
Notice of False Training Certificates
1 of 2014 Caution
Unauthorized Sellers / Buyer Beware!
4 of 2011 Caution

SuperLite® 17C

03 of 2026 General Notice
Fraud Posed to Buyers of KMDSI Products
08 of 2025 Maintenance & Repair
P/N 505-455 455 Balanced Regulator Recommended Attention
07 of 2025 Safety
455 Balanced Regulator P/N 505-455: Required Attention
06 of 2025 Change to Product
P/N 520-008 Silicone Oil is now SYNCO SuperLube®
04 of 2025 Maintenance & Repair
Port Insert Test Sheet
01 of 2025 Change to Product
P/N 550-113 Neck Pad Adjustment Nut Is Now Made From Stainless Steel
11 of 2024 Change to Product
P/N 540-552 Side Block Wrench Now Has New Features
10 of 2024 New Product
P/N 510-724 Low Volume Oral Nasal (LVON)
09 of 2024 Change to Product
P/N 250-031 Adjustable Nipple Will Be Replaced With P/N 550-163 Adjustable Nipple
07 of 2024 General Notice
Misuse of Installed Bent Tubes on Kirby Morgan® Helmets and BandMasks®
05 of 2024 Discontinuance Of Product
P/N 100-100 Warranty Card is Discontinued
03 of 2024 Change to Product
P/N 550-050 Jam Nut Now 316L Stainless Steel
11 of 2023 Change to Product
P/N 560-542 Stepped Ring, Stainless Steel Now Has Rounded Edges
09 of 2023 Safety
Counterfeit Kirby Morgan® Products from VR Dive Vision
08 of 2023 Change to Product
P/N 560-078 Stepped Neck Dam Ring Replaced By P/N 560-542 Stepped Ring, Stainless Steel & Obsoleting Several Neck Ring Assemblies
07 of 2023 Safety
Counterfeit Kirby Morgan® Products
06 of 2023 Safety
Unauthorized Resellers and Voided Warranty
10 of 2022 Safety
Counterfeit Kirby Morgan® 28 BandMasks® with Duplicate Serial Numbers
8 of 2022 Change to Product
P/N 540-095 Packing Washer Now 316L Stainless Steel
6 of 2022 Change to Product
P/N 550-549 Balance Spacer Now Uses One O-ring
5 of 2022 Change to Product
P/N 540-053 455 Regulator Cover Guard
2 of 2022 Change to Product
P/N 550-081 Regulator Mount Nut Now Silicon Bronze
5 of 2021 Change to Product
P/N 540-105 Split Ring Now P/N 540-546 Split Ring, Stainless Steel
3 of 2021 Change to Product
560-070 & 560-071 Port Retainer Change of Material from Polished or Chromed Brass to Polished Stainless Steel
12 of 2020 Change to Product
Newly Designed Neoprene Neck Dam
7 of 2020 Change to Product
P/N 510-017 O-ring will be replaced with P/N 510-018 O-ring
3 of 2020 Maintenance & Repair
Cleaning and Sanitizing Kirby Morgan® Helmets, BandMasks® and Full Face Masks
5 of 2019 General Notice
Acceptable Breathing Systems for Kirby Morgan® Helmets and BandMasks®
4 of 2019 Maintenance & Repair
Maintenance Inspection Timetable for KMDSI Helmets and BandMasks
3 of 2019 Change to Product
P/N 510-776 Exhaust Valve Color of Material Changed from Clear to Black
6 of 2018 Change to Product
Head Cushion Snaps Material—Changed to Stainless Steel
14 of 2016 Maintenance & Repair
The Stability of Whisker Clamps
11 of 2016 New Product
Soft Goods Overhaul Kits for Units with 455 Regulators
9 of 2016 Maintenance & Repair
Twenty Five Years is the Recommended Service Life for Fiberglass Shells, Frames & Yokes
8 of 2016 Change to Product
P/N 525-211 Sealed Pull Pin Overhaul Kit Now for Two Pins
7 of 2016 Change to Product
O-ring Kits & Overseas Spares Kits Are Now Obsolete
O-rings From O-ring Kits Now In Soft Goods Kits Shipping Immediately
4 of 2016 Change to Product
Standardization of Microphones & Earphones
3 of 2016 Change to Product
The 455 Stainless Steel, Balanced Regulator is Now Available as an Option from the Factory for the following Helmets & Band Masks
14 of 2015 Change to Product
P/N 510-754 Head Cushions Change from Zippers to VELCRO® Brand Closures
12 of 2015 Caution
Misuse/Abuse of Technician Training Certificates
8 of 2015 Caution
USE OF AFTER MARKET OR NON-GENUINE KIRBY MORGAN® PARTS
6 of 2015 Maintenance & Repair
This bulletin is to serve as a reminder of an important difference
in installation procedure between the port retainer screws for the
fiberglass helmets verses those of the stainless steel helmets.
5 of 2015 Change to Product
550-232 Sleeves for the sealed pull pins now marked
with groove, effective immediately
4 of 2015 New Product
525-769 Conversion Kit, 455 Regulator for KM 77
525-116 Front Standoff Kit
525-395 Conversion Kit, Rex Regulator for 37SS
3 of 2015 New Product
The 525-765 455 Balanced Regulator Conversion Kit
1 of 2015 Caution
Notice of False Training Certificates
14 of 2014 Change to Product
Hard Copy Manuals No Longer Available. USB Flash Drive Manuals now ship with, and are available on our website for All Product Manuals (Modular Format).
12 of 2014 Change to Product
540-039 Front Stand Offs (×2 per helmet) added to Kirby Morgan Helmets
5 of 2014 (UPDATED March 23, 2016) Maintenance & Repair
Unauthorized “Painting” (resurfacing) Helmet Shells & KMB 18 Frames
Serial Number Tampering
3 of 2014 Change to Product
Maintenance Manuals in New Modular Format on USB Flash Drive
1 of 2014 Caution
Unauthorized Sellers / Buyer Beware!
4 of 2013 Change to Product
Chin Strap Assembly, 505-111 Lengthened
2 of 2013 Maintenance & Repair
Re. 505-110 Sealed Pull Pins- standard on all Kirby Morgan helmets except
the SL 17B & MK 21
1 of 2013 New Product
Head Cushion Foam Kit P/N 525-746
7 of 2012 New Product
Pull Pin Sleeve Kit P/N 525-112
4 of 2012 New Product
New Head Cushion (p/n 510-754), Improved Head Cushion Foam Spacer Kit (HCFS, p/n 525-745) and Improved Chin Cushion (p/n 510-683)
5 of 2011 New Product
New Product Maintenance & Repair Log Book, P/N 125-001
4 of 2011 Caution
3 of 2011 Special Offer
Reference Chin Strap Kit, P/N 525-716 (Product Bulletin #2 of 2011)
2 of 2011 Change to Product
Helmet Chin Strap Assembly
1 of 2011 Change to Product
Earphone Speaker, 515-008, is replaced by 515-090 Earphone Speaker
07 of 2010 Change to Product
530-110 Lock Nut Replaces 330-320 Lock Nut
06 of 2010 Change to Product
Length of Part Number 530-024, Screw, Increased
04 of 2010 New Product
Head Cushion Foam Spacer Kit (HCFS) Part Number 525-745
03 of 2010 New Product
New Kits Part Numbers
525-306, 525-307, 525-308, 525-322, 525-323, 525-377, 525-380, 525-381, 525-382.
02 of 2010 New Product
Anode Kits For KMDSI Helmets And BandMasks®.
01 of 2010 Change to Product
Starboard Whisker Wing, P/N 510-786; Port Whisker Wing, P/N 510-787.
10 of 2009 New Product
New Product Oral Nasal With Lens Retainer Kit, P/N 525-775 and Lens Retainer Kit, P/N 525-776
9 of 2009 New Product
New Product Oral Nasal Mask P/N 510-747
7 of 2009 New Product
New Product Tool Kit Pouch P/N 525-613
4 of 2009 New Product
Pull Strap Assembly Kit P/N 525-770
2 of 2009 New Product
Regulator Mount Nut Socket Wrench P/N 525-625
1 of 2009 General Notice
Kirby Morgan Helmet Retaining Systems
2 of 2008 Change to Product
Kirby Morgan® Dive Systems is now shipping all helmets (except the 17B) with a new Pull Strap
assembly that has a 1" Stainless Steel "D" ring sewn on the end to hang the neck ring assembly and
allow proper drying. The length of the Pull Strap remains the same.
1 of 2008 Safety
Dry Suit Inflation Installation onto a Kirby Morgan® Helmet ‘B’ Side Block, Part Numbers 505-024 & 505-025
1 of 2008 Change to Product
One Way Valve Product Change
06 of 2007 Change to Product
New Flex Control Knobs, Part Numbers 520-524 & 520-525
04 of 2007 New Product
SuperFlow® 450 Regulator Conversion Kit, Part #525-766
03 of 2007 Change to Product
Longer Waterproof Communications Connector Now Standard
01 of 2007 Safety
Helmet Shell Repair Caution
07 of 2006 Change to Product
Helmet Sealed Pull Pins (Part #505-110) No Longer Marked with an “S”
05 of 2006 Change to Product
Whisker Clamp Replacement Kit # 525-032
02 of 2006 Change to Product
Replacements for Recalled Valves (Reference Safety Notice #1 of 2005)
01 of 2006 Change to Product
New Air Train Gasket, KMDSI Part #510-762
17 of 2005 Change to Product
Modified Front Yoke Hinge, Part# 550-216
16 of 2005 Change to Product
New Stepped Neck Dam Ring Part# 560-078 and Split Ring Part #540-105
15 of 2005 Change to Product
New Fasteners
13 of 2005 Change to Product
Large Bore Regulator Part Number 505-069
12 of 2005 Change to Product
New Microphone for Kirby Morgan® Masks and Helmets
11 of 2005 New Product
Hinge Bolt Part #530-027
3 of 2005 Change to Product
Quad Valve™ Exhaust (KMDSI Part #525-759) Now Standard
1 of 2005 Caution
Regulator assembly Part # 505-069
1 of 2005 Safety
Defective One Way Valve Recall
03 of 2004 New Product
Quad Valve™ Exhaust (KMDSI Part #525-759)
02 of 2004 New Product
New Tri-Valve® Exhaust Kit Part # 525-752 and 525-755 (SL 27® only)
01 of 2004 Caution
Possible damage to emergency valve main body (550-140) between male pipe threads and the "B" side block bodies (550-029) as well as the manifold block body (350-050) at the mating female pipe threads.
2 of 2002 Caution
Use of Lubricants on Regulator Exhaust Valve P/N 510-552
1 of 2002 Repair
Maintenance Inspection Timetable for all KMDSI Helmets and BandMasks®
1 of 2002 Safety
Correct Orientation of Oral Nasal Body P/N 520-020 & Valve P/N 510-550
1 of 2002 Caution
Regulator Exhaust Valve Possible Leakage
1 of 2001 Repair
"Painting" (resurfacing) Helmet Shells & Mask Frames
3 of 1999 Change to Product
Swing Catch Retrofit & Locking Collar Plate
1 of 1999 Caution
Communications Connection Nuts
1 of 1998 Change to Product
Product materials change to SuperLite® 17, MK 21 Visor & KMB 18 Comfort Insert
1 of 1997 Caution
Predive Equipment Inspections
1 of 1996 New Part Announcement
New silicone oral nasal mask part number 510-690
04 of 1995 Change to Product
1) Swing Catch RetroFit &
2) Locking Collar Plating
01 of 1995 Safety
Counterfeit Kirby Morgan® KMB-18 BandMask® Diving Masks and SuperLite®-17 Diving Helmets.
01 of 1995 Change to Product
O-ring Material change.

BandMask® 18

03 of 2026 General Notice
Fraud Posed to Buyers of KMDSI Products
08 of 2025 Maintenance & Repair
P/N 505-455 455 Balanced Regulator Recommended Attention
07 of 2025 Safety
455 Balanced Regulator P/N 505-455: Required Attention
05 of 2025 New Product
P/N 540-340 455 Purge Check Tool
04 of 2025 Maintenance & Repair
Port Insert Test Sheet
03 of 2025 Change to Product
P/N 120-301 USB Drive and User Guides are now a Metal QR Code Card
11 of 2024 Change to Product
P/N 540-552 Side Block Wrench Now Has New Features
10 of 2024 New Product
P/N 510-724 Low Volume Oral Nasal (LVON)
09 of 2024 Change to Product
P/N 250-031 Adjustable Nipple Will Be Replaced With P/N 550-163 Adjustable Nipple
07 of 2024 General Notice
Misuse of Installed Bent Tubes on Kirby Morgan® Helmets and BandMasks®
05 of 2024 Discontinuance Of Product
P/N 100-100 Warranty Card is Discontinued
04 of 2024 Discontinuance Of Product
P/N 310-097 Grommet is Obsolete
03 of 2024 Change to Product
P/N 550-050 Jam Nut Now 316L Stainless Steel
09 of 2023 Safety
Counterfeit Kirby Morgan® Products from VR Dive Vision
07 of 2023 Safety
Counterfeit Kirby Morgan® Products
06 of 2023 Safety
Unauthorized Resellers and Voided Warranty
05 of 2023 New Product
New Kits, Part Numbers 525-315, 525-321 and 525-350
10 of 2022 Safety
Counterfeit Kirby Morgan® 28 BandMasks® with Duplicate Serial Numbers
8 of 2022 Change to Product
P/N 540-095 Packing Washer Now 316L Stainless Steel
6 of 2022 Change to Product
P/N 550-549 Balance Spacer Now Uses One O-ring
5 of 2022 Change to Product
P/N 540-053 455 Regulator Cover Guard
3 of 2022 New Product
P/N 525-190 BandMask 18/28 with 455 Balanced Regulator Water Shroud Kit
2 of 2022 Change to Product
P/N 550-081 Regulator Mount Nut Now Silicon Bronze
3 of 2021 Change to Product
560-070 & 560-071 Port Retainer Change of Material from Polished or Chromed Brass to Polished Stainless Steel
3 of 2020 Maintenance & Repair
Cleaning and Sanitizing Kirby Morgan® Helmets, BandMasks® and Full Face Masks
5 of 2019 General Notice
Acceptable Breathing Systems for Kirby Morgan® Helmets and BandMasks®
4 of 2019 Maintenance & Repair
Maintenance Inspection Timetable for KMDSI Helmets and BandMasks
3 of 2019 Change to Product
P/N 510-776 Exhaust Valve Color of Material Changed from Clear to Black
1 of 2017 Maintenance & Repair
BandMask® Hood Molded Face Seals now available separately / Sold as Kits
14 of 2016 Maintenance & Repair
The Stability of Whisker Clamps
11 of 2016 New Product
Soft Goods Overhaul Kits for Units with 455 Regulators
9 of 2016 Maintenance & Repair
Twenty Five Years is the Recommended Service Life for Fiberglass Shells, Frames & Yokes
7 of 2016 Change to Product
O-ring Kits & Overseas Spares Kits Are Now Obsolete
O-rings From O-ring Kits Now In Soft Goods Kits Shipping Immediately
4 of 2016 Change to Product
Standardization of Microphones & Earphones
3 of 2016 Change to Product
The 455 Stainless Steel, Balanced Regulator is Now Available as an Option from the Factory for the following Helmets & Band Masks
12 of 2015 Caution
Misuse/Abuse of Technician Training Certificates
8 of 2015 Caution
USE OF AFTER MARKET OR NON-GENUINE KIRBY MORGAN® PARTS
7 of 2015 Change to Product
Effective immediately, 530-145 Locknuts no longer included with
Kirby Morgan Band Mask® Hoods. 510-712 replaces 525-740.
6 of 2015 Maintenance & Repair
This bulletin is to serve as a reminder of an important difference
in installation procedure between the port retainer screws for the
fiberglass helmets verses those of the stainless steel helmets.
3 of 2015 New Product
The 525-765 455 Balanced Regulator Conversion Kit
1 of 2015 Caution
Notice of False Training Certificates
14 of 2014 Change to Product
Hard Copy Manuals No Longer Available. USB Flash Drive Manuals now ship with, and are available on our website for All Product Manuals (Modular Format).
3 of 2014 Change to Product
Maintenance Manuals in New Modular Format on USB Flash Drive
1 of 2014 Caution
Unauthorized Sellers / Buyer Beware!
3 of 2013 Maintenance & Repair
Service Life Recommendation for Fiberglass Shells and Frames/
MK 21 Shell Conversion
2 of 2012 New Product
New Face Seal & Hood, and Bronze Band Screw P/N 530-097
4 of 2011 Caution
02 of 2010 New Product
Anode Kits For KMDSI Helmets And BandMasks®.
01 of 2010 Change to Product
Starboard Whisker Wing, P/N 510-786; Port Whisker Wing, P/N 510-787.
10 of 2009 New Product
New Product Oral Nasal With Lens Retainer Kit, P/N 525-775 and Lens Retainer Kit, P/N 525-776
7 of 2009 New Product
New Product Tool Kit Pouch P/N 525-613
6 of 2009 Discontinuance Of Product
Discontinuance of P/N 510-510 KMB Hood and P/N 510-506
2 of 2009 New Product
Regulator Mount Nut Socket Wrench P/N 525-625
1 of 2008 Safety
Dry Suit Inflation Installation onto a Kirby Morgan® Helmet ‘B’ Side Block, Part Numbers 505-024 & 505-025
1 of 2008 Change to Product
One Way Valve Product Change
06 of 2007 Change to Product
New Flex Control Knobs, Part Numbers 520-524 & 520-525
05 of 2007 Change to Product
Microphones Now Shipping With Strain Relief Ring & Equalizing Vent
04 of 2007 New Product
SuperFlow® 450 Regulator Conversion Kit, Part #525-766
03 of 2007 Change to Product
Longer Waterproof Communications Connector Now Standard
01 of 2007 Safety
Helmet Shell Repair Caution
03 of 2006 Change to Product
KMB-18 & 28 Accessory Hard Shell, New Part #520-026 (replaces Part #520-010)
02 of 2006 Change to Product
Replacements for Recalled Valves (Reference Safety Notice #1 of 2005)
01 of 2006 Change to Product
New Air Train Gasket, KMDSI Part #510-762
8 of 2005 Change to Product
KMDSI BandMask® Band Keeper™ Kit - No Hood, P/N 525-121
6 of 2005 Discontinuance Of Product
Discontinuance of “A” Side Block Assembly, P/N 505-022
1 of 2005 Caution
Regulator assembly Part # 505-069
1 of 2005 Safety
Defective One Way Valve Recall
02 of 2004 New Product
New Tri-Valve® Exhaust Kit Part # 525-752 and 525-755 (SL 27® only)
01 of 2004 Caution
Possible damage to emergency valve main body (550-140) between male pipe threads and the "B" side block bodies (550-029) as well as the manifold block body (350-050) at the mating female pipe threads.
01 of 2004 Change to Product
Product Change to KMB 18 & 28 BandMask® Hoods
04 of 2003 Change to Product
Change to KMB 18 & 28 BandMask®
3 of 2002 Change to Product
Material Change to Part #510-509 KMB-18/28 Head Harness (spider)
2 of 2002 Caution
Use of Lubricants on Regulator Exhaust Valve P/N 510-552
2 of 2002 Change to Product
Product change to KMB 18/28 Hood& Face Seal
1 of 2002 Caution
Regulator Exhaust Valve Possible Leakage
1 of 2002 Repair
Maintenance Inspection Timetable for all KMDSI Helmets and BandMasks®
1 of 2002 Safety
Correct Orientation of Oral Nasal Body P/N 520-020 & Valve P/N 510-550
1 of 2001 New Product
High Flow Auxiliary Valve Part # 505-070
3 of 1998 Change to Product
Regulator Change
1 of 1998 Change to Product
Product materials change to SuperLite® 17, MK 21 Visor & KMB 18 Comfort Insert
1 of 1997 Caution
Predive Equipment Inspections
1 of 1997 New Part Announcement
High Flow Emergency Valve
1 of 1996 New Part Announcement
New silicone oral nasal mask part number 510-690
01 of 1995 Safety
Counterfeit Kirby Morgan® KMB-18 BandMask® Diving Masks and SuperLite®-17 Diving Helmets.
1 of 1993 New Part Announcement
High Flow Emergency Valve

SuperFlow® First Stage Regulator

03 of 2026 General Notice
Fraud Posed to Buyers of KMDSI Products
03 of 2025 Change to Product
P/N 120-301 USB Drive and User Guides are now a Metal QR Code Card
05 of 2024 Discontinuance Of Product
P/N 100-100 Warranty Card is Discontinued
09 of 2023 Safety
Counterfeit Kirby Morgan® Products from VR Dive Vision
07 of 2023 Safety
Counterfeit Kirby Morgan® Products
06 of 2023 Safety
Unauthorized Resellers and Voided Warranty
10 of 2022 Safety
Counterfeit Kirby Morgan® 28 BandMasks® with Duplicate Serial Numbers
3 of 2020 Maintenance & Repair
Cleaning and Sanitizing Kirby Morgan® Helmets, BandMasks® and Full Face Masks
12 of 2015 Caution
Misuse/Abuse of Technician Training Certificates
8 of 2015 Caution
USE OF AFTER MARKET OR NON-GENUINE KIRBY MORGAN® PARTS
2 of 2015 General Notice
An Overview of Kirby Morgan SCUBA Regulators Alone, or in SCUBA “Setups”, Paired with the First Stage Regulator.
1 of 2015 Caution
Notice of False Training Certificates
1 of 2014 Caution
Unauthorized Sellers / Buyer Beware!
4 of 2011 Caution
2 of 2002 Caution
Use of Lubricants on Regulator Exhaust Valve P/N 510-552
1 of 2002 Caution
Regulator Exhaust Valve Possible Leakage

SuperFlow® 450 Regulator

03 of 2026 General Notice
Fraud Posed to Buyers of KMDSI Products
05 of 2024 Discontinuance Of Product
P/N 100-100 Warranty Card is Discontinued
09 of 2023 Safety
Counterfeit Kirby Morgan® Products from VR Dive Vision
10 of 2022 Safety
Counterfeit Kirby Morgan® 28 BandMasks® with Duplicate Serial Numbers
3 of 2020 Maintenance & Repair
Cleaning and Sanitizing Kirby Morgan® Helmets, BandMasks® and Full Face Masks
3 of 2019 Change to Product
P/N 510-776 Exhaust Valve Color of Material Changed from Clear to Black
5 of 2016 New Product
P/N 525-757 Parts Upgrade Kit for 450 Regulator
12 of 2015 Caution
Misuse/Abuse of Technician Training Certificates
8 of 2015 Caution
USE OF AFTER MARKET OR NON-GENUINE KIRBY MORGAN® PARTS
1 of 2015 Caution
Notice of False Training Certificates
1 of 2014 Caution
Unauthorized Sellers / Buyer Beware!
3 of 2009 Change to Product
P/N 220-050 Inlet Valve
1 of 1992 Caution
Possible loosening of Emergency Valve Assembly (P/N 505-018) from the "B" Side Block Assembly Body (P/N 550-029) on "B" side block assembly style D.S.I Helmets and Masks.

EXO® 26 Original

03 of 2026 General Notice
Fraud Posed to Buyers of KMDSI Products
3 of 2020 Maintenance & Repair
Cleaning and Sanitizing Kirby Morgan® Helmets, BandMasks® and Full Face Masks
12 of 2015 Caution
Misuse/Abuse of Technician Training Certificates
10 of 2015 Change to Product
Helmet & Band Mask® Regulators Now Packaged & Sold as “Kits”
8 of 2015 Caution
USE OF AFTER MARKET OR NON-GENUINE KIRBY MORGAN® PARTS
1 of 2015 Caution
Notice of False Training Certificates
1 of 2014 Caution
Unauthorized Sellers / Buyer Beware!

Kirby Morgan Diamond®

03 of 2026 General Notice
Fraud Posed to Buyers of KMDSI Products
01 of 2026 Change to Product
Kirby Morgan® Now Offers Colored Cerakote® Stainless Steel Helmets
08 of 2025 Maintenance & Repair
P/N 505-455 455 Balanced Regulator Recommended Attention
06 of 2025 Change to Product
P/N 520-008 Silicone Oil is now SYNCO SuperLube®
03 of 2025 Change to Product
P/N 120-301 USB Drive and User Guides are now a Metal QR Code Card
01 of 2025 Change to Product
P/N 550-113 Neck Pad Adjustment Nut Is Now Made From Stainless Steel
11 of 2024 Change to Product
P/N 540-552 Side Block Wrench Now Has New Features
08 of 2024 New Product
P/N 525-720 Stainless Steel Chin Strap Assembly Kit
07 of 2024 General Notice
Misuse of Installed Bent Tubes on Kirby Morgan® Helmets and BandMasks®
05 of 2024 Discontinuance Of Product
P/N 100-100 Warranty Card is Discontinued
03 of 2024 Change to Product
P/N 550-050 Jam Nut Now 316L Stainless Steel
01 of 2024 New Product
New Kit, Part Number 525-386 KM Diamond Dirty Water Conversion Kit
11 of 2023 Change to Product
P/N 560-542 Stepped Ring, Stainless Steel Now Has Rounded Edges
09 of 2023 Safety
Counterfeit Kirby Morgan® Products from VR Dive Vision
07 of 2023 Safety
Counterfeit Kirby Morgan® Products
06 of 2023 Safety
Unauthorized Resellers and Voided Warranty
03 of 2023 Change to Product
P/N 560-559 Regulator Pod for the KM Diamond Now Machined to Include the new P/N 810-025 Purge Valve
02 of 2023 Change to Product
P/N 515-034 Spacer Washer Now on P/N 505-047 MWPC
11 of 2022 Change to Product
P/N 550-387 Retaining Cap is Now Made of Silicone Bronze
10 of 2022 Safety
Counterfeit Kirby Morgan® 28 BandMasks® with Duplicate Serial Numbers
8 of 2022 Change to Product
P/N 540-095 Packing Washer Now 316L Stainless Steel
7 of 2022 Change to Product
KM Diamond CE Approved
6 of 2022 Change to Product
P/N 550-549 Balance Spacer Now Uses One O-ring
5 of 2022 Change to Product
P/N 540-053 455 Regulator Cover Guard
6 of 2021 New Product
P/N 525-645 KM Diamond Overhaul Kit
4 of 2021 Change to Product
P/N 550-046 Inlet Nipple “A” will be replaced with P/N 850-126 Hose Adapter for the Stainless Steel Side Block
1 of 2021 New Product
New Handle Grip for Stainless Steel Helmets
12 of 2020 Change to Product
Newly Designed Neoprene Neck Dam
10 of 2020 New Product
P/N 525-756 KM Diamond Water Shroud Kit
8 of 2020 Change to Product
P/N 530-099 Cover Retainer Screw and P/N 550-074 Bishop Pin Now Bronze
7 of 2020 Change to Product
P/N 510-017 O-ring will be replaced with P/N 510-018 O-ring
5 of 2020 New Product
P/N 525-420 Comm. Module for Post Kit & P/N 525-430 Comm. Module for MWP Kit
4 of 2020 New Product
New Kits for the KM Diamond and Subassemblies
3 of 2020 Maintenance & Repair
Cleaning and Sanitizing Kirby Morgan® Helmets, BandMasks® and Full Face Masks
2 of 2020 New Product
Kirby Morgan® Diamond
5 of 2019 General Notice
Acceptable Breathing Systems for Kirby Morgan® Helmets and BandMasks®

KMACS-5 No Communications

03 of 2026 General Notice
Fraud Posed to Buyers of KMDSI Products
02 of 2025 Discontinuance Of Product
P/N 400-045 and P/N 400-046 KMACS-5 are Discontinued
05 of 2024 Discontinuance Of Product
P/N 100-100 Warranty Card is Discontinued
09 of 2023 Safety
Counterfeit Kirby Morgan® Products from VR Dive Vision
07 of 2023 Safety
Counterfeit Kirby Morgan® Products
06 of 2023 Safety
Unauthorized Resellers and Voided Warranty
10 of 2022 Safety
Counterfeit Kirby Morgan® 28 BandMasks® with Duplicate Serial Numbers
2 of 2016 Change to Product
KMACS 5 Communicator Manufacturer Change to OTS
12 of 2015 Caution
Misuse/Abuse of Technician Training Certificates
8 of 2015 Caution
USE OF AFTER MARKET OR NON-GENUINE KIRBY MORGAN® PARTS
1 of 2015 Caution
Notice of False Training Certificates
14 of 2014 Change to Product
Hard Copy Manuals No Longer Available. USB Flash Drive Manuals now ship with, and are available on our website for All Product Manuals (Modular Format).
1 of 2014 Caution
Unauthorized Sellers / Buyer Beware!
6 of 2011 New Kit
Part Numbers 425-090, 425-099, 525-211, 525-373, 525-385 and 525-718
05 of 2010 Change to Product
New Communicator 415-107 & Charger 415-030 for the KMACS-5, Kirby Morgan Air Control System-5.
02 of 2007 New Kit
KMACS-5 Communication Conversion Kit, Part #425-099
04 of 2006 Change to Product
New Design for Communicator for KMACS-5
14 of 2005 Change to Product
New Communications Box for KMACS & DCS
01 of 2004 New Product
New Kirby Morgan® Air Control System 5
1 of 2002 Change to Product
Product change to DCS-2A Dive Control System

SuperFlow® Scuba Nonadjustable Regulator (Octopus)

03 of 2026 General Notice
Fraud Posed to Buyers of KMDSI Products
03 of 2025 Change to Product
P/N 120-301 USB Drive and User Guides are now a Metal QR Code Card
05 of 2024 Discontinuance Of Product
P/N 100-100 Warranty Card is Discontinued
09 of 2023 Safety
Counterfeit Kirby Morgan® Products from VR Dive Vision
10 of 2022 Safety
Counterfeit Kirby Morgan® 28 BandMasks® with Duplicate Serial Numbers
3 of 2020 Maintenance & Repair
Cleaning and Sanitizing Kirby Morgan® Helmets, BandMasks® and Full Face Masks
12 of 2015 Caution
Misuse/Abuse of Technician Training Certificates
8 of 2015 Caution
USE OF AFTER MARKET OR NON-GENUINE KIRBY MORGAN® PARTS
1 of 2015 Caution
Notice of False Training Certificates
1 of 2014 Caution
Unauthorized Sellers / Buyer Beware!
1 of 2001 Change to Product
Inlet Nipple Change

SuperFlow® Regulator

03 of 2026 General Notice
Fraud Posed to Buyers of KMDSI Products
03 of 2025 Change to Product
P/N 120-301 USB Drive and User Guides are now a Metal QR Code Card
05 of 2024 Discontinuance Of Product
P/N 100-100 Warranty Card is Discontinued
03 of 2024 Change to Product
P/N 550-050 Jam Nut Now 316L Stainless Steel
09 of 2023 Safety
Counterfeit Kirby Morgan® Products from VR Dive Vision
07 of 2023 Safety
Counterfeit Kirby Morgan® Products
06 of 2023 Safety
Unauthorized Resellers and Voided Warranty
10 of 2022 Safety
Counterfeit Kirby Morgan® 28 BandMasks® with Duplicate Serial Numbers
3 of 2020 Maintenance & Repair
Cleaning and Sanitizing Kirby Morgan® Helmets, BandMasks® and Full Face Masks
4 of 2017 Discontinuance Of Product
“A” Regulator Assemblies and “A” Regulator Assembly Kits
12 of 2015 Caution
Misuse/Abuse of Technician Training Certificates
10 of 2015 Change to Product
Helmet & Band Mask® Regulators Now Packaged & Sold as “Kits”
8 of 2015 Caution
USE OF AFTER MARKET OR NON-GENUINE KIRBY MORGAN® PARTS
1 of 2015 Caution
Notice of False Training Certificates
1 of 2014 Caution
Unauthorized Sellers / Buyer Beware!
4 of 2011 Caution
2 of 2002 Caution
Use of Lubricants on Regulator Exhaust Valve P/N 510-552
1 of 2002 Caution
Regulator Exhaust Valve Possible Leakage

BandMask® 28

03 of 2026 General Notice
Fraud Posed to Buyers of KMDSI Products
08 of 2025 Maintenance & Repair
P/N 505-455 455 Balanced Regulator Recommended Attention
07 of 2025 Safety
455 Balanced Regulator P/N 505-455: Required Attention
05 of 2025 New Product
P/N 540-340 455 Purge Check Tool
04 of 2025 Maintenance & Repair
Port Insert Test Sheet
03 of 2025 Change to Product
P/N 120-301 USB Drive and User Guides are now a Metal QR Code Card
11 of 2024 Change to Product
P/N 540-552 Side Block Wrench Now Has New Features
10 of 2024 New Product
P/N 510-724 Low Volume Oral Nasal (LVON)
09 of 2024 Change to Product
P/N 250-031 Adjustable Nipple Will Be Replaced With P/N 550-163 Adjustable Nipple
07 of 2024 General Notice
Misuse of Installed Bent Tubes on Kirby Morgan® Helmets and BandMasks®
05 of 2024 Discontinuance Of Product
P/N 100-100 Warranty Card is Discontinued
04 of 2024 Discontinuance Of Product
P/N 310-097 Grommet is Obsolete
03 of 2024 Change to Product
P/N 550-050 Jam Nut Now 316L Stainless Steel
09 of 2023 Safety
Counterfeit Kirby Morgan® Products from VR Dive Vision
07 of 2023 Safety
Counterfeit Kirby Morgan® Products
06 of 2023 Safety
Unauthorized Resellers and Voided Warranty
05 of 2023 New Product
New Kits, Part Numbers 525-315, 525-321 and 525-350
10 of 2022 Safety
Counterfeit Kirby Morgan® 28 BandMasks® with Duplicate Serial Numbers
8 of 2022 Change to Product
P/N 540-095 Packing Washer Now 316L Stainless Steel
6 of 2022 Change to Product
P/N 550-549 Balance Spacer Now Uses One O-ring
5 of 2022 Change to Product
P/N 540-053 455 Regulator Cover Guard
3 of 2022 New Product
P/N 525-190 BandMask 18/28 with 455 Balanced Regulator Water Shroud Kit
2 of 2022 Change to Product
P/N 550-081 Regulator Mount Nut Now Silicon Bronze
3 of 2021 Change to Product
560-070 & 560-071 Port Retainer Change of Material from Polished or Chromed Brass to Polished Stainless Steel
3 of 2020 Maintenance & Repair
Cleaning and Sanitizing Kirby Morgan® Helmets, BandMasks® and Full Face Masks
5 of 2019 General Notice
Acceptable Breathing Systems for Kirby Morgan® Helmets and BandMasks®
4 of 2019 Maintenance & Repair
Maintenance Inspection Timetable for KMDSI Helmets and BandMasks
3 of 2019 Change to Product
P/N 510-776 Exhaust Valve Color of Material Changed from Clear to Black
5 of 2018 Safety
Counterfeit Kirby Morgan® 28 BandMasks®
1 of 2017 Maintenance & Repair
BandMask® Hood Molded Face Seals now available separately / Sold as Kits
14 of 2016 Maintenance & Repair
The Stability of Whisker Clamps
11 of 2016 New Product
Soft Goods Overhaul Kits for Units with 455 Regulators
7 of 2016 Change to Product
O-ring Kits & Overseas Spares Kits Are Now Obsolete
O-rings From O-ring Kits Now In Soft Goods Kits Shipping Immediately
4 of 2016 Change to Product
Standardization of Microphones & Earphones
3 of 2016 Change to Product
The 455 Stainless Steel, Balanced Regulator is Now Available as an Option from the Factory for the following Helmets & Band Masks
12 of 2015 Caution
Misuse/Abuse of Technician Training Certificates
8 of 2015 Caution
USE OF AFTER MARKET OR NON-GENUINE KIRBY MORGAN® PARTS
7 of 2015 Change to Product
Effective immediately, 530-145 Locknuts no longer included with
Kirby Morgan Band Mask® Hoods. 510-712 replaces 525-740.
6 of 2015 Maintenance & Repair
This bulletin is to serve as a reminder of an important difference
in installation procedure between the port retainer screws for the
fiberglass helmets verses those of the stainless steel helmets.
3 of 2015 New Product
The 525-765 455 Balanced Regulator Conversion Kit
1 of 2015 Caution
Notice of False Training Certificates
14 of 2014 Change to Product
Hard Copy Manuals No Longer Available. USB Flash Drive Manuals now ship with, and are available on our website for All Product Manuals (Modular Format).
13 of 2014 Change to Product
Air Train Stand Off Material & Part Number Change. 545-066 Stand Off Replaces 545-065 Metal Stand Off. 545-065 is NOW OBSOLETE
3 of 2014 Change to Product
Maintenance Manuals in New Modular Format on USB Flash Drive
1 of 2014 Caution
Unauthorized Sellers / Buyer Beware!
2 of 2012 New Product
New Face Seal & Hood, and Bronze Band Screw P/N 530-097
4 of 2011 Caution
02 of 2010 New Product
Anode Kits For KMDSI Helmets And BandMasks®.
01 of 2010 Change to Product
Starboard Whisker Wing, P/N 510-786; Port Whisker Wing, P/N 510-787.
10 of 2009 New Product
New Product Oral Nasal With Lens Retainer Kit, P/N 525-775 and Lens Retainer Kit, P/N 525-776
7 of 2009 New Product
New Product Tool Kit Pouch P/N 525-613
6 of 2009 Discontinuance Of Product
Discontinuance of P/N 510-510 KMB Hood and P/N 510-506
2 of 2009 New Product
Regulator Mount Nut Socket Wrench P/N 525-625
1 of 2008 Safety
Dry Suit Inflation Installation onto a Kirby Morgan® Helmet ‘B’ Side Block, Part Numbers 505-024 & 505-025
1 of 2008 Change to Product
One Way Valve Product Change
06 of 2007 Change to Product
New Flex Control Knobs, Part Numbers 520-524 & 520-525
05 of 2007 Change to Product
Microphones Now Shipping With Strain Relief Ring & Equalizing Vent
04 of 2007 New Product
SuperFlow® 450 Regulator Conversion Kit, Part #525-766
03 of 2007 Change to Product
Longer Waterproof Communications Connector Now Standard
01 of 2007 Safety
Helmet Shell Repair Caution
03 of 2006 Change to Product
KMB-18 & 28 Accessory Hard Shell, New Part #520-026 (replaces Part #520-010)
02 of 2006 Change to Product
Replacements for Recalled Valves (Reference Safety Notice #1 of 2005)
8 of 2005 Change to Product
KMDSI BandMask® Band Keeper™ Kit - No Hood, P/N 525-121
1 of 2005 Caution
Regulator assembly Part # 505-069
1 of 2005 Safety
Defective One Way Valve Recall
02 of 2004 Change to Product
Regulator Change
02 of 2004 New Product
New Tri-Valve® Exhaust Kit Part # 525-752 and 525-755 (SL 27® only)
01 of 2004 Change to Product
Product Change to KMB 18 & 28 BandMask® Hoods
01 of 2004 Caution
Possible damage to emergency valve main body (550-140) between male pipe threads and the "B" side block bodies (550-029) as well as the manifold block body (350-050) at the mating female pipe threads.
04 of 2003 Change to Product
Change to KMB 18 & 28 BandMask®
3 of 2002 Change to Product
Material Change to Part #510-509 KMB-18/28 Head Harness (spider)
2 of 2002 Caution
Use of Lubricants on Regulator Exhaust Valve P/N 510-552
2 of 2002 Change to Product
Product change to KMB 18/28 Hood& Face Seal
1 of 2002 Safety
Correct Orientation of Oral Nasal Body P/N 520-020 & Valve P/N 510-550
1 of 2002 Repair
Maintenance Inspection Timetable for all KMDSI Helmets and BandMasks®
1 of 2002 Caution
Regulator Exhaust Valve Possible Leakage
1 of 2001 New Product
High Flow Auxiliary Valve Part # 505-070
1 of 1997 Caution
Predive Equipment Inspections
1 of 1997 New Part Announcement
High Flow Emergency Valve
1 of 1996 New Part Announcement
New silicone oral nasal mask part number 510-690
1 of 1993 New Part Announcement
High Flow Emergency Valve

Balanced Scuba Regulator

03 of 2026 General Notice
Fraud Posed to Buyers of KMDSI Products
03 of 2025 Change to Product
P/N 120-301 USB Drive and User Guides are now a Metal QR Code Card
09 of 2024 Change to Product
P/N 250-031 Adjustable Nipple Will Be Replaced With P/N 550-163 Adjustable Nipple
05 of 2024 Discontinuance Of Product
P/N 100-100 Warranty Card is Discontinued
09 of 2023 Safety
Counterfeit Kirby Morgan® Products from VR Dive Vision
07 of 2023 Safety
Counterfeit Kirby Morgan® Products
06 of 2023 Safety
Unauthorized Resellers and Voided Warranty
10 of 2022 Safety
Counterfeit Kirby Morgan® 28 BandMasks® with Duplicate Serial Numbers
6 of 2022 Change to Product
P/N 550-549 Balance Spacer Now Uses One O-ring
3 of 2020 Maintenance & Repair
Cleaning and Sanitizing Kirby Morgan® Helmets, BandMasks® and Full Face Masks
3 of 2017 Change to Product
250-029 Balance Piston Replaced / 550-549 Balance Spacer Color Change/ New 250-065 Washer Required (Scuba Only)
12 of 2015 Caution
Misuse/Abuse of Technician Training Certificates
8 of 2015 Caution
USE OF AFTER MARKET OR NON-GENUINE KIRBY MORGAN® PARTS
2 of 2015 General Notice
An Overview of Kirby Morgan SCUBA Regulators Alone, or in SCUBA “Setups”, Paired with the First Stage Regulator.
1 of 2015 Caution
Notice of False Training Certificates
8 of 2014 New Product
New Kits, Part Numbers 225-120, 525-304, 525-328, 525-364,
525-370, 525-630 and 525-767
2 of 2014 New Product
Balanced 2nd Stage SCUBA Regulator
1 of 2014 Caution
Unauthorized Sellers / Buyer Beware!

SuperFlow® Scuba Regulator Assembly w/Metal Adjustable 2nd Stage

03 of 2026 General Notice
Fraud Posed to Buyers of KMDSI Products
03 of 2025 Change to Product
P/N 120-301 USB Drive and User Guides are now a Metal QR Code Card
05 of 2024 Discontinuance Of Product
P/N 100-100 Warranty Card is Discontinued
09 of 2023 Safety
Counterfeit Kirby Morgan® Products from VR Dive Vision
10 of 2022 Safety
Counterfeit Kirby Morgan® 28 BandMasks® with Duplicate Serial Numbers
3 of 2020 Maintenance & Repair
Cleaning and Sanitizing Kirby Morgan® Helmets, BandMasks® and Full Face Masks
12 of 2015 Caution
Misuse/Abuse of Technician Training Certificates
8 of 2015 Caution
USE OF AFTER MARKET OR NON-GENUINE KIRBY MORGAN® PARTS
2 of 2015 General Notice
An Overview of Kirby Morgan SCUBA Regulators Alone, or in SCUBA “Setups”, Paired with the First Stage Regulator.
1 of 2015 Caution
Notice of False Training Certificates
1 of 2014 Caution
Unauthorized Sellers / Buyer Beware!

Helmet & Mask Regulators

03 of 2026 General Notice
Fraud Posed to Buyers of KMDSI Products

Kirby Morgan® 77

03 of 2026 General Notice
Fraud Posed to Buyers of KMDSI Products
06 of 2025 Change to Product
P/N 520-008 Silicone Oil is now SYNCO SuperLube®
01 of 2025 Change to Product
P/N 550-113 Neck Pad Adjustment Nut Is Now Made From Stainless Steel
11 of 2024 Change to Product
P/N 540-552 Side Block Wrench Now Has New Features
08 of 2024 New Product
P/N 525-720 Stainless Steel Chin Strap Assembly Kit
07 of 2024 General Notice
Misuse of Installed Bent Tubes on Kirby Morgan® Helmets and BandMasks®
11 of 2023 Change to Product
P/N 560-542 Stepped Ring, Stainless Steel Now Has Rounded Edges
09 of 2023 Safety
Counterfeit Kirby Morgan® Products from VR Dive Vision
07 of 2023 Safety
Counterfeit Kirby Morgan® Products
06 of 2023 Safety
Unauthorized Resellers and Voided Warranty
02 of 2023 Change to Product
P/N 515-034 Spacer Washer Now on P/N 505-047 MWPC
01 of 2023 Discontinuance Of Product
KM 77 Helmets P/N 500-090 and 500-091 Discontinued
10 of 2022 Safety
Counterfeit Kirby Morgan® 28 BandMasks® with Duplicate Serial Numbers
8 of 2022 Change to Product
P/N 540-095 Packing Washer Now 316L Stainless Steel
4 of 2021 Change to Product
P/N 550-046 Inlet Nipple “A” will be replaced with P/N 850-126 Hose Adapter for the Stainless Steel Side Block
1 of 2021 New Product
New Handle Grip for Stainless Steel Helmets
12 of 2020 Change to Product
Newly Designed Neoprene Neck Dam
5 of 2020 New Product
P/N 525-420 Comm. Module for Post Kit & P/N 525-430 Comm. Module for MWP Kit
3 of 2020 Maintenance & Repair
Cleaning and Sanitizing Kirby Morgan® Helmets, BandMasks® and Full Face Masks
5 of 2019 General Notice
Acceptable Breathing Systems for Kirby Morgan® Helmets and BandMasks®
4 of 2019 Maintenance & Repair
Maintenance Inspection Timetable for KMDSI Helmets and BandMasks
3 of 2019 Change to Product
P/N 510-776 Exhaust Valve Color of Material Changed from Clear to Black
6 of 2018 Change to Product
Head Cushion Snaps Material—Changed to Stainless Steel
12 of 2016 Maintenance & Repair
Update: Cleaning & Protection Products for “Rust & Rust Spots” on Stainless Steel Helmet Shells
8 of 2016 Change to Product
P/N 525-211 Sealed Pull Pin Overhaul Kit Now for Two Pins
7 of 2016 Change to Product
O-ring Kits & Overseas Spares Kits Are Now Obsolete
O-rings From O-ring Kits Now In Soft Goods Kits Shipping Immediately
6 of 2016 Change to Product
560-540 Stainless Steel Side Block Body / Low Pressure Ports
14 of 2015 Change to Product
P/N 510-754 Head Cushions Change from Zippers to VELCRO® Brand Closures
12 of 2015 Caution
Misuse/Abuse of Technician Training Certificates
9 of 2015 Change to Product
350-032 Main Tube is Replaced by 350-143 Main Tube
8 of 2015 Caution
USE OF AFTER MARKET OR NON-GENUINE KIRBY MORGAN® PARTS
6 of 2015 Maintenance & Repair
This bulletin is to serve as a reminder of an important difference
in installation procedure between the port retainer screws for the
fiberglass helmets verses those of the stainless steel helmets.
5 of 2015 Change to Product
550-232 Sleeves for the sealed pull pins now marked
with groove, effective immediately
4 of 2015 New Product
525-769 Conversion Kit, 455 Regulator for KM 77
525-116 Front Standoff Kit
525-395 Conversion Kit, Rex Regulator for 37SS
1 of 2015 Caution
Notice of False Training Certificates
14 of 2014 Change to Product
Hard Copy Manuals No Longer Available. USB Flash Drive Manuals now ship with, and are available on our website for All Product Manuals (Modular Format).
12 of 2014 Change to Product
540-039 Front Stand Offs (×2 per helmet) added to Kirby Morgan Helmets
10 of 2014 Change to Product
560-517 Stainless Steel Shells now with “Auxiliary Port”
4 of 2014 Maintenance & Repair
Cleaning And Brightening Stainless Steel Shells
3 of 2014 Change to Product
Maintenance Manuals in New Modular Format on USB Flash Drive
1 of 2014 Caution
Unauthorized Sellers / Buyer Beware!
4 of 2013 Change to Product
Chin Strap Assembly, 505-111 Lengthened
2 of 2013 Maintenance & Repair
Re. 505-110 Sealed Pull Pins- standard on all Kirby Morgan helmets except
the SL 17B & MK 21
1 of 2013 New Product
Head Cushion Foam Kit P/N 525-746
7 of 2012 New Product
Pull Pin Sleeve Kit P/N 525-112
6 of 2012 Change to Product
P/N 560-300 Zinc Whisker Anodes and P/N 560-304 Zinc Sleeve Anode Installed on All Stainless Steel Helmets
4 of 2012 New Product
New Head Cushion (p/n 510-754), Improved Head Cushion Foam Spacer Kit (HCFS, p/n 525-745) and Improved Chin Cushion (p/n 510-683)
5 of 2011 New Product
New Product Maintenance & Repair Log Book, P/N 125-001
4 of 2011 Caution
1 of 2011 Change to Product
Earphone Speaker, 515-008, is replaced by 515-090 Earphone Speaker
07 of 2010 Change to Product
530-110 Lock Nut Replaces 330-320 Lock Nut
06 of 2010 Change to Product
Length of Part Number 530-024, Screw, Increased
04 of 2010 New Product
Head Cushion Foam Spacer Kit (HCFS) Part Number 525-745
03 of 2010 New Product
New Kits Part Numbers
525-306, 525-307, 525-308, 525-322, 525-323, 525-377, 525-380, 525-381, 525-382.
02 of 2010 New Product
Anode Kits For KMDSI Helmets And BandMasks®.
7 of 2009 New Product
New Product Tool Kit Pouch P/N 525-613
4 of 2009 New Product
Pull Strap Assembly Kit P/N 525-770
1 of 2009 General Notice
Kirby Morgan Helmet Retaining Systems
1 of 2009 Product
Communication Module used on Kirby Morgan® Helmets & EXO® Masks P/N 320-025
2 of 2008 Change to Product
Kirby Morgan® Dive Systems is now shipping all helmets (except the 17B) with a new Pull Strap
assembly that has a 1" Stainless Steel "D" ring sewn on the end to hang the neck ring assembly and
allow proper drying. The length of the Pull Strap remains the same.
1 of 2008 Safety
Dry Suit Inflation Installation onto a Kirby Morgan® Helmet ‘B’ Side Block, Part Numbers 505-024 & 505-025
1 of 2008 Change to Product
One Way Valve Product Change
06 of 2007 Change to Product
New Flex Control Knobs, Part Numbers 520-524 & 520-525
05 of 2007 Change to Product
Microphones Now Shipping With Strain Relief Ring & Equalizing Vent
03 of 2007 Change to Product
Longer Waterproof Communications Connector Now Standard
02 of 2006 Change to Product
Replacements for Recalled Valves (Reference Safety Notice #1 of 2005)
1 of 2005 Safety
Defective One Way Valve Recall
01 of 2004 Caution
Possible damage to emergency valve main body (550-140) between male pipe threads and the "B" side block bodies (550-029) as well as the manifold block body (350-050) at the mating female pipe threads.
1 of 2002 Safety
Correct Orientation of Oral Nasal Body P/N 520-020 & Valve P/N 510-550
1 of 2002 Repair
Maintenance Inspection Timetable for all KMDSI Helmets and BandMasks®

M-48 MOD-1

03 of 2026 General Notice
Fraud Posed to Buyers of KMDSI Products
10 of 2025 Change to Product
P/N 805-077 MOD-1 Hood Assembly w/Bib L/XL 7mm Is Now Made With Softer, More Comfortable Materials That Incorporate Advanced Features
03 of 2025 Change to Product
P/N 120-301 USB Drive and User Guides are now a Metal QR Code Card
06 of 2024 New Product
P/N 805-245 Bump Guard and 825-125 Bump Guard Kit
05 of 2024 Discontinuance Of Product
P/N 100-100 Warranty Card is Discontinued
09 of 2023 Safety
Counterfeit Kirby Morgan® Products from VR Dive Vision
07 of 2023 Safety
Counterfeit Kirby Morgan® Products
06 of 2023 Safety
Unauthorized Resellers and Voided Warranty
10 of 2022 Safety
Counterfeit Kirby Morgan® 28 BandMasks® with Duplicate Serial Numbers
6 of 2022 Change to Product
P/N 550-549 Balance Spacer Now Uses One O-ring
14 of 2020 New Product
P/N 825-050 Earphone Pocket Kit
13 of 2020 New Product
P/N 815-060 Communication Assembly for the SuperMask® and MOD-1
3 of 2020 Maintenance & Repair
Cleaning and Sanitizing Kirby Morgan® Helmets, BandMasks® and Full Face Masks
1 of 2019 New Product
Part #825-070 MOD-1 Hood with Bib Kit S/M & Part #825-075 MOD-1 Hood with Bib Kit L/XL
3 of 2017 Change to Product
250-029 Balance Piston Replaced / 550-549 Balance Spacer Color Change/ New 250-065 Washer Required (Scuba Only)
1 of 2016 Change to Product
Change to configurations offered & Rebreather Description.
“800 series” M-48 SuperMasks® & MOD-1 Full Face Masks now “805 series.”
13 of 2015 Change to Product
M-48 MOD-1 Full Face Mask: New Mask Skirt, P/N 810-017
12 of 2015 Caution
Misuse/Abuse of Technician Training Certificates
8 of 2015 Caution
USE OF AFTER MARKET OR NON-GENUINE KIRBY MORGAN® PARTS
1 of 2015 Caution
Notice of False Training Certificates
9 of 2014 Caution
Regarding Second Stages Used with
M-48 SuperMask® (P/N 800-048) and M-48 MOD 1 (P/N 800-150)
6 of 2014 Change to Product
M48 Full Face Masks without Pods now Ship
with Straps & Strap Keepers
2 of 2014 New Product
Balanced 2nd Stage SCUBA Regulator
1 of 2014 Caution
Unauthorized Sellers / Buyer Beware!
1 of 2012 New Product
M-48 Mod 1 Mask, P/N 800-150 and 800-151
5 of 2011 New Product
New Product Maintenance & Repair Log Book, P/N 125-001