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 6150-00-523-2603
NSN 5920-00-402-1752
NSN 6105-00-469-2293
NSN 6685-01-109-6888
NSN 5985-01-178-2652
NSN 6685-00-050-3697
NSN 5855-01-619-8314
NSN 6150-01-160-7536
NSN 6135-00-708-0892
NSN 6130-01-400-3651
NSN 5998-01-346-6143
NSN 5855-01-100-3272