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 7035-00-337-8745
NSN 5835-01-286-6499
NSN 5895-00-705-0756
NSN 6240-01-349-6320
NSN 5996-00-414-7558
NSN 6240-00-082-1142
NSN 6650-01-522-0075
NSN 6650-01-173-5651
NSN 5975-00-121-3589
NSN 5925-01-472-3669
NSN 5950-01-179-5948
NSN 2925-01-181-1216