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 6320-01-532-6746
NSN 5945-01-564-1703
NSN 5975-01-549-9004
NSN 6685-01-153-8473
NSN 6110-01-386-3093
NSN 5935-00-817-9981
NSN 5998-01-349-0601
NSN 5975-00-149-7647
NSN 5935-01-358-4306
NSN 5920-01-509-4780
NSN 5998-01-588-3716
NSN 6105-01-502-3024