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 6645-01-528-6433
NSN 6320-00-322-3460
NSN 7035-01-218-6960
NSN 2925-01-446-6523
NSN 5998-01-194-7478
NSN 5855-01-020-7982
NSN 5985-00-902-0491
NSN 6150-01-163-6602
NSN 5920-00-881-3162
NSN 5965-00-258-6809
NSN 6110-01-459-5480
NSN 5998-01-287-9571