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 5945-00-415-2822
NSN 5950-01-089-8893
NSN 5960-01-392-6982
NSN 5835-01-357-1247
NSN 7035-00-153-3826
NSN 5935-01-345-1940
NSN 5920-01-435-8597
NSN 6650-01-244-8559
NSN 5960-01-288-8910
NSN 5935-00-384-8613
NSN 2925-00-310-5783
NSN 5950-00-484-9473