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 5905-01-065-7963
NSN 6650-00-473-1259
NSN 5945-01-384-3735
NSN 6150-01-558-3406
NSN 6610-00-350-1091
NSN 5960-01-160-3437
NSN 6650-01-559-3862
NSN 4140-01-129-2239
NSN 5855-01-550-5219
NSN 5930-01-576-7794
NSN 5895-01-078-3334
NSN 5975-01-359-4848