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 5945-01-571-6997
NSN 5999-00-313-9186
NSN 6150-01-607-6218
NSN 5935-01-273-2526
NSN 5910-01-414-8669
NSN 5910-01-336-7943
NSN 5925-01-607-6279
NSN 6320-01-631-7828
NSN 6650-01-633-9147
NSN 5835-01-397-8801
NSN 6685-01-176-3649
NSN 5945-01-419-6732