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 6130-00-165-1701
NSN 6240-00-297-3919
NSN 6150-01-101-3185
NSN 5855-01-337-0245
NSN 6320-01-434-6861
NSN 4140-01-267-2762
NSN 5910-01-400-3005
NSN 5996-01-286-1325
NSN 5910-01-597-2019
NSN 5996-00-823-8487
NSN 6240-01-258-5829
NSN 5985-00-577-2920