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The LP inlet: #8 male JIC

The primary air outlets: #6 male JIC

The pneumo outlets#4 male JIC

Due to the unique configuration of the air outlets, and their mate up with the air control manifold, Kirby Morgan does not offer O2 fittings or adapters for the KMACS-5 air outlets.

The case (p/n 420-101) is an integral part of the design, building & shipping of the precision made interior workings of the KMACS-5. We therefore do not offer the KMACS-5 without the case. All KMACS-5s leave our factory installed into their cases.

We do not make or handle Quick Disconnects (quick disconnect whip assembly - for between the sideblock emergency valve and the divers bailout bottle first stage regulator) but you would be able to source quick disconnects through many of our dealers. Please see our authorized dealers.

Adding non authorized coatings to a fiberglass shell will condemn the shell and void the warranty on the helmet.  There are currently no approved coatings for a fiberglass shell.  A list of authorized coatings have been approved for our stainless steel shells, however applying these coatings will void the warranty on the helmet.  Please contact your Kirby Morgan Dealer for more info.

Brass Adapter (on One Way Valve): 1/4 inch NPT-O2

Emergency Valve Outlet: 9/16 -18 inch UNF 2A (USA “standard scuba”)

Small LP Ports 3/8 inch-24 UNF 2B

Large LP Ports 1/2 inch -20 UNF 2A

We ask that you send it to one of our authorized dealers for inspections.

Yes. The non-wing style are still available! Just ask for 510-766, 510-767 starboard and port whiskers. They are for use on units with quad/tri valve exhaust assemblies.

Kirby Morgan does not make a vacuum controlled test device for our one way valves (555-195). This device was used back in the 1980s (not made by Kirby Morgan) but this tester was phased out long ago. Vacuum controlled one way valve testers are not necessary and are no longer commercially available for our equipment. The current and approved method for testing the one way valve is covered in the Kirby Morgan Owners Operations & Maintenance Manuals.

Kirby Morgan helmets are heavy duty professional life support equipment and are not intended for use with a self-contained gas supply (not intended for SCUBA use). There is no provision for surface swimming once the SCUBA air supply is depleted. This could lead to serious injury or death by suffocation or drowning. We are sorry but Kirby Morgan does not offer a light weight, recreational diving helmet that would keep the ears dry.