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 6145-01-462-5930
NSN 5895-01-513-9260
NSN 5990-01-579-2711
NSN 6240-01-454-7108
NSN 5920-01-659-1469
NSN 5965-00-147-3070
NSN 6610-00-827-8959
NSN 5925-00-353-0612
NSN 6320-01-450-7083
NSN 6105-01-357-6320
NSN 5910-01-576-8402
NSN 2925-01-359-4027