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 6130-00-119-3149
NSN 6220-01-363-8880
NSN 6130-01-583-6979
NSN 6240-00-082-1142
NSN 5985-01-020-7594
NSN 5930-01-023-3244
NSN 6685-01-363-9688
NSN 5920-01-604-9426
NSN 5945-01-463-8489
NSN 6110-01-297-3924
NSN 6240-01-446-7851
NSN 5999-01-447-1167