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 5935-01-363-2080
NSN 6685-01-407-1171
NSN 7035-01-005-0694
NSN 5910-01-579-4145
NSN 6620-00-248-6950
NSN 5895-01-541-9271
NSN 5998-00-653-0085
NSN 7035-01-421-4446
NSN 5855-01-027-1571
NSN 6320-01-523-4954
NSN 6620-01-581-8283
NSN 5925-00-715-7831