Underwater life support iaw navsea instruction 10560.2b
A item specifically designed to automatically/manually maintain outlet pressure in a divers helmet/breathing apparatus. It is designed for use with breathing gasses.
NSN 5920-01-467-7572
NSN 5910-00-820-0818
NSN 6240-00-922-1021
NSN 5835-01-482-1591
NSN 7035-01-267-4836
NSN 7035-01-247-6256
NSN 7035-01-623-5387
NSN 5975-00-451-7208
NSN 6320-00-004-9158
NSN 4140-01-341-9184
NSN 5975-01-610-7000
NSN 5835-00-505-2516