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 6135-01-351-1131
NSN 6685-00-558-0856
NSN 6610-00-810-3245
NSN 5910-01-498-5075
NSN 6135-01-475-7415
NSN 6105-00-900-2486
NSN 6150-01-121-0106
NSN 6650-00-330-0108
NSN 5920-01-154-1039
NSN 6620-01-546-4416
NSN 5999-01-078-8438
NSN 6150-01-446-8777