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 5999-00-819-7546
NSN 5990-01-242-2538
NSN 5930-01-451-2250
NSN 5998-01-106-4262
NSN 5930-01-020-8068
NSN 6130-01-284-3978
NSN 6220-01-452-7916
NSN 5945-01-511-2891
NSN 6685-01-304-8054
NSN 6105-01-340-6582
NSN 6135-00-577-8429
NSN 5920-00-960-0386