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 5855-01-583-6497
NSN 5855-01-441-0401
NSN 6135-01-633-8502
NSN 4140-01-581-7160
NSN 5998-01-650-1851
NSN 6130-01-244-0370
NSN 6145-01-362-2627
NSN 5950-01-154-2646
NSN 5855-01-070-8084
NSN 5999-01-316-1880
NSN 5965-01-408-9551
NSN 6105-01-182-2283