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 6105-00-772-7992
NSN 6110-00-076-2722
NSN 5975-01-135-0694
NSN 6145-01-634-0388
NSN 6240-01-208-9587
NSN 6650-01-247-6623
NSN 6110-00-155-4303
NSN 5975-00-153-0050
NSN 2925-01-359-4027
NSN 5996-00-161-8376
NSN 5930-01-379-1400
NSN 6620-01-595-2113