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 6240-00-514-3507
NSN 5910-00-100-5784
NSN 5965-01-436-0390
NSN 6110-00-190-1260
NSN 6135-01-186-4010
NSN 5905-01-379-7437
NSN 5960-01-447-7074
NSN 5930-00-758-6071
NSN 6240-00-801-5941
NSN 5915-01-306-2407
NSN 5855-01-388-2424
NSN 6150-01-512-0391