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 5915-00-942-8460
NSN 7035-00-232-4043
NSN 5998-01-310-8324
NSN 5999-01-143-8938
NSN 5855-01-188-4049
NSN 5930-00-840-5804
NSN 5910-01-401-5279
NSN 5945-00-174-6901
NSN 5915-01-259-5705
NSN 6650-00-913-1854
NSN 5999-01-634-0576
NSN 5910-01-184-2687