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 5996-00-501-4326
NSN 5990-01-408-6554
NSN 5930-01-307-8414
NSN 4140-00-900-6102
NSN 5998-01-276-4662
NSN 5920-00-212-4387
NSN 6320-01-450-7083
NSN 6240-00-135-3385
NSN 5855-01-467-0128
NSN 6105-00-465-7018
NSN 5895-00-269-3848
NSN 6110-01-393-9187