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 6685-00-273-1618
NSN 5835-01-453-1547
NSN 5910-01-643-9199
NSN 6645-01-594-9966
NSN 6610-01-469-6235
NSN 7035-01-351-4111
NSN 5999-01-536-9890
NSN 6610-01-141-7014
NSN 4140-01-500-0618
NSN 5990-01-598-3251
NSN 6650-01-581-3150
NSN 5920-01-211-4171