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 6150-01-634-0575
NSN 6650-00-316-4889
NSN 2925-01-615-2379
NSN 5905-01-289-1165
NSN 5935-00-851-6528
NSN 5920-01-608-3201
NSN 5998-00-134-3279
NSN 5910-01-579-3434
NSN 5985-01-207-7202
NSN 6320-01-296-3181
NSN 5990-00-805-7165
NSN 5905-01-483-1338