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 4140-00-252-0879
NSN 5835-00-413-4701
NSN 6650-01-187-3364
NSN 6645-01-612-6885
NSN 6130-01-308-0532
NSN 6220-01-042-4613
NSN 6110-00-258-8542
NSN 5835-01-209-6410
NSN 5835-00-013-9271
NSN 6620-01-469-6826
NSN 5935-00-905-5276
NSN 5985-01-157-8427