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 5910-01-269-1218
NSN 5998-01-122-5437
NSN 5895-01-203-2782
NSN 5915-00-239-0541
NSN 5975-00-200-2002
NSN 5855-00-256-5562
NSN 5925-00-885-9497
NSN 5920-00-203-5938
NSN 6150-01-325-8333
NSN 5999-01-262-2957
NSN 5855-01-425-1330
NSN 5920-01-593-2489