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 4140-01-430-7170
NSN 5930-01-564-8975
NSN 6220-00-510-7899
NSN 6685-01-605-8931
NSN 5950-01-189-6962
NSN 6220-01-469-5533
NSN 5996-00-726-4785
NSN 5910-01-142-2167
NSN 5835-01-054-9016
NSN 5905-01-281-0630
NSN 5965-01-282-6085
NSN 6135-00-080-9176