No other part numbers with same form, fit, and function found.
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 6645-01-411-5657
NSN 5945-01-584-0059
NSN 6320-01-519-8767
NSN 5855-01-042-7990
NSN 6320-01-631-7828
NSN 6610-01-447-5598
NSN 5855-01-157-3093
NSN 6105-00-465-7018
NSN 6105-01-320-0533
NSN 6110-00-683-0024
NSN 5835-01-229-6964
NSN 6110-01-526-2197