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 5985-01-208-6571
NSN 4140-00-751-1694
NSN 5855-00-482-9876
NSN 5915-00-891-8694
NSN 5925-01-204-8583
NSN 6150-00-346-8150
NSN 5975-01-445-1032
NSN 6320-01-211-6578
NSN 5999-00-770-6838
NSN 6240-01-517-2994
NSN 5935-01-618-7868
NSN 6650-01-618-7779