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 6620-00-663-8962
NSN 4140-01-019-0555
NSN 5935-00-689-9590
NSN 2925-00-383-3523
NSN
NSN 6650-01-407-4653
NSN 6220-00-104-2656
NSN 5905-01-049-5643
NSN 6650-01-409-1992
NSN 6645-00-062-7606
NSN 5965-00-871-8987
NSN 5925-00-921-1171