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.
Classification: Check valves of steel
NSN 5920-01-658-8794
NSN 5895-01-395-3956
NSN 6620-01-440-9810
NSN 5999-00-518-9033
NSN 6320-01-323-7565
NSN 5835-01-652-4959
NSN 5990-00-155-2306
NSN 5930-01-167-3415
NSN 6220-01-537-0129
NSN 5996-01-294-7047
NSN 6150-01-547-7088
NSN 5960-00-148-4493