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 5910-01-495-1306
NSN 5915-00-058-5883
NSN 5925-00-144-0482
NSN 6610-00-553-5103
NSN 6135-01-469-6429
NSN 5945-01-091-3437
NSN 6610-01-253-9180
NSN 6650-01-043-4221
NSN 6110-00-679-8961
NSN 5835-00-198-4936
NSN 6130-01-537-1261
NSN 5915-01-058-2421