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 6620-01-032-3937
NSN 5930-01-469-6971
NSN 5965-01-460-2766
NSN 5920-00-908-1929
NSN 6135-01-196-7399
NSN 6650-01-122-0169
NSN 5895-01-414-5895
NSN 5960-01-170-4057
NSN 6650-01-409-1992
NSN 6685-01-097-3930
NSN 5960-00-127-5594
NSN 5920-00-242-2758