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 6610-00-681-0590
NSN 5930-00-402-1069
NSN 6650-00-113-7698
NSN 5935-01-612-5957
NSN 6650-01-566-1573
NSN 6240-01-098-0130
NSN 5975-01-470-3699
NSN 5998-00-531-9797
NSN 6620-01-534-7180
NSN 6135-00-112-8637
NSN 6130-01-185-0310
NSN 5920-00-216-8665