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 5965-01-633-8849
NSN 6320-00-483-0451
NSN 6105-00-087-9071
NSN 5935-01-437-9601
NSN 5905-00-235-8915
NSN 5915-01-294-8361
NSN 4140-01-055-2251
NSN 6145-00-490-9180
NSN 5910-00-952-4221
NSN 6650-01-261-3013
NSN 5960-00-204-7506
NSN 6150-01-167-8315