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 5985-00-753-1397
NSN 5915-01-198-2074
NSN 5990-01-321-2997
NSN 5975-01-068-4125
NSN 5910-00-443-9579
NSN 5998-01-509-3956
NSN 6610-00-011-9991
NSN 6610-01-112-0447
NSN 6240-01-580-1345
NSN 5835-00-518-2740
NSN 6650-00-399-2005
NSN 5990-00-155-2306