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 6150-01-524-3399
NSN 5999-00-020-3052
NSN 6240-01-633-6350
NSN 6650-01-426-4253
NSN 6240-01-032-9952
NSN 7035-00-104-7613
NSN 5910-01-444-1429
NSN 7035-00-585-2113
NSN 5990-00-834-6842
NSN 6240-01-516-8393
NSN 6150-01-541-8066
NSN 6150-01-256-8596