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 6150-00-700-6664
NSN 6220-00-906-5826
NSN 5998-01-564-8267
NSN 6645-01-281-7254
NSN 6105-00-252-9017
NSN 5920-01-069-7351
NSN 6650-01-472-6753
NSN 6650-00-680-9595
NSN 6620-01-290-2973
NSN 5935-01-633-8741
NSN 4140-00-272-0943
NSN 7035-01-518-9610