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 5999-01-628-8349
NSN 6135-00-896-3187
NSN 5910-01-013-7434
NSN 5975-00-391-1108
NSN 5975-01-537-2833
NSN 5895-00-484-5977
NSN 6105-01-501-2226
NSN 5855-01-632-5485
NSN 6110-01-380-8950
NSN 6110-00-431-6898
NSN 6135-01-222-0703
NSN 6620-01-189-5037