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 5835-00-180-7555
NSN 6610-01-585-9255
NSN 6650-01-349-6097
NSN 6620-01-341-9823
NSN 6610-00-259-2992
NSN 5999-00-924-4466
NSN 5996-01-535-8047
NSN 5910-00-484-7766
NSN 5998-01-504-9840
NSN 6645-01-649-8227
NSN 5855-01-469-1705
NSN 5990-01-218-1821