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 materials other than copper, iron or steel
NSN 6240-01-531-4619
NSN 5915-00-449-1454
NSN 6620-01-440-1579
NSN 6620-01-542-2689
NSN 5990-01-493-4039
NSN 5990-00-822-5451
NSN 4140-00-699-0904
NSN 6650-01-056-1777
NSN 5930-00-187-2732
NSN 4140-00-934-8800
NSN 5950-00-831-8977
NSN 5965-01-144-3001