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 5855-01-642-7607
NSN 5925-00-185-4020
NSN 5910-01-279-0918
NSN 7035-01-055-6806
NSN 6130-00-619-7991
NSN 5990-01-386-5561
NSN 5925-00-915-1204
NSN 5920-01-240-7400
NSN 5935-01-329-9049
NSN 4140-00-932-6074
NSN 6105-00-243-9278
NSN 5930-00-593-9927