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 6220-00-432-9402
NSN 5915-00-243-2030
NSN 5998-01-158-0331
NSN 5915-00-493-6500
NSN 5895-01-382-5170
NSN 5920-01-181-8210
NSN 6130-01-148-6511
NSN 6220-01-583-2868
NSN 4140-01-283-2287
NSN 6220-00-990-6016
NSN 6650-00-034-8438
NSN 4140-00-372-2947