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 6135-01-370-9441
NSN 5945-00-901-5740
NSN 6610-01-457-1974
NSN 6110-01-157-5506
NSN 5996-00-388-6552
NSN 5996-01-151-8720
NSN 5935-01-478-5277
NSN 6145-00-264-2137
NSN 6650-01-233-3578
NSN 5925-00-233-7523
NSN 6145-01-435-6528
NSN 6150-01-545-0898