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 5999-01-283-9487
NSN 2925-01-134-9175
NSN 5910-01-227-9977
NSN 5905-00-422-5116
NSN 5895-01-009-2830
NSN 5905-00-413-4669
NSN 6110-01-604-2178
NSN 5835-01-122-0068
NSN 5910-01-474-2376
NSN 5960-00-422-0578
NSN 5945-01-562-6455
NSN 6105-00-741-9120