Sole source required by statute
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 6240-01-659-5862
NSN 5835-01-459-7428
NSN 6135-00-877-1659
NSN 6110-00-313-2434
NSN 6220-00-435-5550
NSN 5915-01-086-5668
NSN 6685-01-110-3601
NSN 6220-00-419-0635
NSN 5835-01-628-1748
NSN 5985-00-552-5031
NSN 6620-00-426-6884
NSN 5925-00-522-2593