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 6220-00-581-3858
NSN 6620-01-290-2973
NSN 5965-01-113-6654
NSN 6240-01-579-1628
NSN 5996-00-212-8004
NSN 4140-00-392-2561
NSN 5960-01-195-7590
NSN 6685-01-188-7379
NSN 6130-01-104-4371
NSN 5999-01-323-5355
NSN 6650-00-924-2918
NSN 5855-01-149-4110