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 5935-01-054-3556
NSN 6620-00-590-9257
NSN 5905-01-036-7883
NSN 4140-00-210-0552
NSN 5935-01-096-1311
NSN 6620-01-445-2931
NSN 6105-00-226-4632
NSN 6240-01-239-8268
NSN 5910-00-453-2504
NSN 6240-01-040-8897
NSN 6150-00-666-3635
NSN 6240-00-174-8902