3 in. Valve size
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 steel
NSN 4140-01-442-8862
NSN 6130-01-141-6151
NSN 6650-01-227-9634
NSN 5835-00-392-7985
NSN 6145-00-847-2323
NSN 5990-01-421-5342
NSN 5835-01-557-4914
NSN 6650-01-647-5627
NSN 6145-01-296-9856
NSN 5975-01-432-2149
NSN 6650-01-021-7259
NSN 5975-00-913-3170