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 5945-01-484-6413
NSN 5920-00-584-4592
NSN 5990-01-083-2430
NSN 5920-00-567-4100
NSN 5905-01-483-1701
NSN 5990-01-540-1619
NSN 5930-00-015-1786
NSN 5935-01-116-3015
NSN 6220-01-144-2532
NSN 5998-01-106-8999
NSN 6650-01-492-7809
NSN 5920-00-807-4252