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 6240-00-629-9810
NSN 4140-01-208-6568
NSN 6135-01-469-7574
NSN 6240-01-633-9357
NSN 5950-01-507-6954
NSN 6620-01-454-8926
NSN 5999-00-496-8409
NSN 5999-01-394-4115
NSN 5985-01-391-7458
NSN 5910-00-846-5918
NSN 5930-01-029-9959
NSN 5915-01-485-0850