A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, slotted, hexagon.
Classification: Nuts of iron or steel
NSN 5945-01-055-1963
NSN 5990-01-577-2120
NSN 6145-01-503-0487
NSN 5915-00-597-2369
NSN 6320-01-631-7828
NSN 5915-00-154-3984
NSN 6220-01-233-7456
NSN 6130-00-661-0197
NSN 6240-01-446-5443
NSN 6650-01-353-5903
NSN 5905-01-421-2691
NSN 5999-00-664-1818