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 5950-01-111-9258
NSN 5910-01-452-8723
NSN 6685-00-223-6819
NSN 5945-01-205-2681
NSN 5895-00-100-1216
NSN 6685-00-273-7017
NSN 5895-01-600-0615
NSN 7035-01-202-8172
NSN 6135-00-660-8654
NSN 7035-00-517-8232
NSN 5935-00-762-2300
NSN 6150-01-462-1235