Valve size 3 in.; disc is free to rotate to avoid localized wear
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 5910-01-360-6092
NSN 5996-01-280-6461
NSN 5925-01-246-3703
NSN 6150-01-445-3091
NSN 5910-01-515-0338
NSN 5920-01-348-5986
NSN 6220-01-540-8827
NSN 5905-01-378-6672
NSN 6110-01-047-1330
NSN 7035-00-009-8705
NSN 5945-00-016-4521
NSN 5925-00-059-3317