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 5999-01-430-4385
NSN 5999-01-207-3558
NSN 6150-01-124-5540
NSN 5965-01-395-0104
NSN 6105-00-189-0515
NSN 5910-00-869-8731
NSN 2925-01-411-4666
NSN 5965-01-526-2087
NSN 5915-00-707-2297
NSN 6150-01-032-4556
NSN 5950-01-141-8575
NSN 5910-00-306-1501