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 4140-01-420-0354
NSN 5935-01-112-1255
NSN 5930-00-186-0712
NSN 6610-00-512-4183
NSN 6620-01-487-0605
NSN 5945-01-422-4565
NSN 5855-00-631-4565
NSN 6145-01-319-1007
NSN 5999-00-117-9887
NSN 5910-01-370-2304
NSN 6685-01-422-2229
NSN 5999-00-439-0282