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 5910-01-208-4966
NSN 5996-01-390-2125
NSN 6650-01-399-8552
NSN 6110-00-728-4515
NSN 5998-01-040-1407
NSN 5945-01-100-3654
NSN 6620-01-633-8443
NSN 5915-01-534-5154
NSN 6240-01-585-1413
NSN 6220-01-420-5516
NSN 6150-01-354-8129
NSN 5960-01-045-8524