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 6685-01-655-4393
NSN 5835-00-454-7239
NSN 5920-01-634-0250
NSN 5905-00-540-6997
NSN 6240-00-334-6766
NSN 5915-00-139-5860
NSN 5965-00-246-4767
NSN 5945-00-730-0253
NSN 6685-01-298-2118
NSN 5835-01-625-8604
NSN 5975-00-158-8694
NSN 5990-01-270-3209