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 5996-00-035-5624
NSN 5996-00-495-3086
NSN 2925-01-157-9204
NSN 6610-01-318-6713
NSN 6620-00-843-5336
NSN 6685-01-504-6085
NSN 5996-01-467-6269
NSN 5999-00-726-4805
NSN 6135-00-471-5356
NSN 5930-00-350-8545
NSN 6220-00-373-3679
NSN 5920-00-904-3727