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 5935-01-270-0619
NSN 5925-01-382-1347
NSN 5910-01-179-7876
NSN 5930-01-139-9726
NSN 6145-01-543-7743
NSN 5975-01-107-8345
NSN 5905-01-581-7152
NSN 6135-01-392-8081
NSN 5960-01-564-5044
NSN 5999-01-363-9138
NSN 7035-00-870-0290
NSN 6105-01-472-2452