3 in. Valve size
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 6645-01-291-8352
NSN 6645-01-656-1101
NSN 6135-00-583-3966
NSN 5950-00-357-0735
NSN 6110-00-115-4258
NSN 5925-00-188-8678
NSN 6220-01-656-0021
NSN 5996-00-992-3865
NSN 6685-01-519-3447
NSN 5965-01-355-7164
NSN 6685-01-566-7938
NSN 6320-01-476-7476