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 5990-01-483-7313
NSN 4140-01-165-6409
NSN 5855-00-256-5562
NSN 5920-00-683-7883
NSN 5975-00-734-4606
NSN 5920-01-031-7891
NSN 6105-00-832-4507
NSN 6105-00-940-6966
NSN 2925-01-515-1755
NSN 6150-01-397-8708
NSN 5905-01-495-0554
NSN 5920-01-598-2446