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 5915-00-655-1804
NSN 6645-01-199-0062
NSN 5945-01-409-2718
NSN 6240-01-515-0260
NSN 5990-01-462-1617
NSN 5998-00-541-8792
NSN 6610-01-652-1832
NSN 6105-00-557-3984
NSN 6130-00-269-0579
NSN 6110-01-621-0047
NSN 5998-00-987-3605
NSN 5950-00-929-2758