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 6620-00-137-0332
NSN 5930-01-317-0287
NSN 6105-01-326-3734
NSN 5950-00-290-8090
NSN 6650-01-437-8852
NSN 5935-00-637-2643
NSN 5999-01-013-4488
NSN 7035-01-537-0033
NSN 6150-01-141-6604
NSN 5975-01-302-8991
NSN 6105-01-535-7024
NSN 4140-00-854-2718