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 5920-01-340-6950
NSN 5998-00-003-2210
NSN 5905-01-048-3648
NSN 5960-01-518-4440
NSN 5960-01-231-6502
NSN 6650-00-864-2942
NSN 2925-01-513-9114
NSN 6135-01-610-7335
NSN 5975-00-276-7559
NSN 5935-00-584-6441
NSN 5910-01-484-5397
NSN 5855-01-100-3272