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 5999-00-800-3215
NSN 6110-00-007-6453
NSN 6135-00-906-0984
NSN 5960-01-116-8861
NSN 6130-00-269-3448
NSN 6650-01-017-0980
NSN 6650-00-999-8902
NSN 5835-01-394-7589
NSN 5996-00-162-6083
NSN 5999-01-249-1764
NSN 5998-00-833-5510
NSN 5999-01-157-7918