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 6135-00-973-5632
NSN 2925-01-655-4455
NSN 5920-01-241-0212
NSN 6145-01-009-7319
NSN 5935-00-227-9234
NSN 5945-01-206-1233
NSN 5965-00-088-1722
NSN 5985-00-104-8289
NSN 5895-00-229-7074
NSN 5910-01-432-6779
NSN 5935-01-615-1063
NSN 7035-01-599-9942