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 6145-01-416-2413
NSN 5855-00-177-3529
NSN 5985-01-227-5748
NSN 5935-00-468-0938
NSN 5999-01-112-0192
NSN 6240-01-191-5643
NSN 5905-00-176-2695
NSN 5910-01-461-7673
NSN 5910-01-543-1648
NSN 5930-01-454-8833
NSN 5915-00-234-4286
NSN 5925-01-233-1208