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 6620-01-108-3467
NSN 6620-01-643-5531
NSN 4140-01-462-5901
NSN 6220-01-122-3155
NSN 5985-01-384-3847
NSN 5985-01-559-0074
NSN 5996-01-425-1182
NSN 6220-01-162-7954
NSN 6650-00-759-8905
NSN 5996-01-508-4599
NSN 6145-01-495-1410
NSN 6650-01-337-0657