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 6105-01-608-5217
NSN 5960-01-442-6234
NSN 6130-01-657-8299
NSN 6610-00-785-4054
NSN 2925-01-037-4418
NSN 5996-01-633-7979
NSN 6110-01-497-9743
NSN 2925-01-398-6751
NSN 6645-01-629-9657
NSN 6105-01-421-4457
NSN 5996-00-243-1418
NSN 6130-01-208-9420