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 5999-00-417-9451
NSN 5999-00-466-3226
NSN 5996-01-649-1277
NSN 5895-00-265-6229
NSN 5925-01-452-9853
NSN 6110-01-647-1686
NSN 5990-01-617-5156
NSN 5855-00-114-4954
NSN 5945-01-573-6488
NSN 5835-00-681-0005
NSN 5835-01-251-7301
NSN 6150-01-551-1603