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 5925-01-113-7793
NSN 5975-01-577-2611
NSN 4140-00-707-5963
NSN 5950-01-583-1265
NSN 5999-01-068-6225
NSN 5998-01-300-0895
NSN 5985-01-339-5677
NSN 5950-00-601-6299
NSN 5999-01-035-3552
NSN 6320-00-174-1362
NSN 5960-00-998-0409
NSN 6645-01-096-9719