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 2925-01-364-7926
NSN 5965-01-510-6380
NSN 5999-01-645-7786
NSN 6135-01-428-8821
NSN 5905-00-985-3142
NSN 5835-01-464-7038
NSN 6610-01-085-0831
NSN 6105-01-442-7801
NSN 5960-00-477-7361
NSN 5935-00-836-8549
NSN 6135-00-990-1822
NSN 5930-00-738-2561