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 6135-00-491-9864
NSN 6620-01-440-1579
NSN 5998-01-484-2009
NSN 5990-01-203-6089
NSN 5950-00-794-9949
NSN 5950-01-592-2420
NSN 6620-01-399-3615
NSN 4140-01-145-0122
NSN 5920-00-755-6265
NSN 6650-01-649-8144
NSN 4140-00-069-5154
NSN 6135-00-885-6003