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 5895-00-624-5685
NSN 6110-01-272-0138
NSN 5998-01-410-8537
NSN 6110-01-512-8742
NSN 6145-00-900-9413
NSN 5930-01-131-5052
NSN 4140-00-459-9045
NSN 6110-01-382-7730
NSN 6620-01-229-2193
NSN 6105-01-383-2139
NSN 5935-01-308-7798
NSN 5965-01-050-8447