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 5965-01-601-6061
NSN 5960-00-816-9040
NSN 6105-00-283-2849
NSN 6650-01-025-7425
NSN 5945-00-269-3052
NSN 5835-01-328-6626
NSN 5915-01-420-5777
NSN 5985-01-495-0658
NSN 5935-00-880-9117
NSN 5960-01-090-3519
NSN 5905-00-097-7531
NSN 6620-00-121-9702