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 5985-01-335-0388
NSN 5920-00-610-3209
NSN 6220-01-065-3765
NSN 5950-00-466-3634
NSN 5935-01-562-1679
NSN 6135-00-574-1204
NSN 6650-01-593-5993
NSN 5920-00-636-4713
NSN 6130-01-612-2037
NSN 5965-00-698-0433
NSN 6650-01-003-9355
NSN 6135-01-040-1446