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 5960-01-560-1958
NSN 5996-01-537-0084
NSN 5990-01-105-5336
NSN 5945-00-444-4294
NSN 6650-01-417-7036
NSN 5925-01-426-6923
NSN 5925-00-893-8566
NSN 6145-01-272-1899
NSN 6240-01-504-9274
NSN 5975-01-634-0678
NSN 6150-01-392-7834
NSN 6650-00-543-6023