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 6645-00-406-7610
NSN 6620-01-490-5664
NSN 5960-00-296-1530
NSN 4140-01-535-6477
NSN 6610-00-032-3536
NSN 5905-01-539-5950
NSN 2925-01-326-0908
NSN 5999-01-360-0921
NSN 5945-00-698-3758
NSN 2925-01-123-5856
NSN 6650-00-958-7408
NSN 6240-01-016-2172