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 5905-01-294-6657
NSN 5910-00-872-5433
NSN 6610-01-487-7256
NSN 5910-00-342-4338
NSN 5835-00-794-7500
NSN 6220-01-571-7526
NSN 5960-01-383-6262
NSN 5925-01-063-7107
NSN 6320-01-578-6006
NSN 6220-00-233-7436
NSN 5910-01-147-3869
NSN 4140-01-174-5647