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 6220-01-421-4448
NSN 6620-01-451-3742
NSN 6220-00-919-8172
NSN 5990-01-254-3197
NSN 4140-01-390-0455
NSN 5930-01-265-9316
NSN 5998-01-533-3200
NSN 5996-00-160-1772
NSN 5895-00-430-8395
NSN 5945-01-357-1026
NSN 6650-01-131-2570
NSN 5935-00-918-9395