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 copper having a pressure rating of 850 kpa or over
NSN 5945-00-147-2068
NSN 5935-01-524-0992
NSN 5965-01-507-0304
NSN 5996-01-329-7161
NSN 6620-01-465-9885
NSN 5990-01-453-3552
NSN 5925-00-865-9618
NSN 5920-01-121-8022
NSN 4140-00-445-3944
NSN 5835-01-377-8972
NSN 5998-01-228-6359
NSN 6620-01-391-9829