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 6135-01-098-3020
NSN 6150-01-228-5394
NSN 5835-00-725-2087
NSN 5975-01-549-4827
NSN 5915-01-633-9845
NSN 6150-01-280-4552
NSN 6105-01-566-6462
NSN 5965-00-457-2496
NSN 6145-01-357-0294
NSN 6645-01-093-5015
NSN 6110-00-452-0448
NSN 5910-01-464-1828