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 6685-01-121-0519
NSN 5965-01-423-5159
NSN 6105-01-634-0322
NSN 6220-00-186-8565
NSN 5998-00-831-3941
NSN 5910-01-381-7490
NSN 6105-01-191-7972
NSN 6650-01-502-5157
NSN 6620-00-278-7313
NSN 5915-01-199-2614
NSN 5975-01-641-6513
NSN 5965-01-050-4133