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 5935-00-203-5636
NSN 5990-01-094-7740
NSN 6150-00-793-3069
NSN 6610-00-287-6884
NSN 6110-00-257-1446
NSN 6650-01-449-3865
NSN 7035-01-357-3726
NSN 6320-00-857-4073
NSN 6105-00-161-1834
NSN 6110-00-840-6560
NSN 5999-01-534-6696
NSN 6130-01-312-6058