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 6220-00-269-8396
NSN 6145-00-259-1622
NSN 5925-00-249-1287
NSN 2925-00-491-3549
NSN 5930-01-361-5381
NSN 6110-01-064-7528
NSN 5835-00-130-6404
NSN 6145-00-468-8534
NSN 5855-01-477-9629
NSN 5950-01-469-7840
NSN 6150-00-902-3313
NSN 5905-01-050-7448