A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
NSN 5990-01-072-6074
NSN 5990-01-446-9118
NSN 6105-00-391-4567
NSN 6145-01-578-2045
NSN 6320-01-021-6633
NSN 6320-01-117-5516
NSN 6135-01-100-3593
NSN 6320-01-461-5866
NSN 7035-01-102-5811
NSN 5855-01-628-0505
NSN 6135-01-255-9129
NSN 7035-01-501-9118