A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, castellated, hexagon.
Classification: Nuts of iron or steel
NSN 5996-00-294-7045
NSN 5905-01-572-7874
NSN 6620-01-106-9100
NSN 6105-01-492-2086
NSN 6220-00-796-1111
NSN 5996-00-578-9092
NSN 6130-00-728-9621
NSN 6150-01-349-8337
NSN 5920-00-356-2210
NSN 5905-01-634-0595
NSN 5999-00-969-2669
NSN 6130-01-529-0148