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 4140-01-548-7229
NSN 5985-01-422-9812
NSN 6685-01-634-0611
NSN 6105-01-014-4669
NSN 5835-00-629-3225
NSN 6620-01-428-7072
NSN 6135-01-282-4326
NSN 5996-01-493-6740
NSN 6135-01-487-6275
NSN 6685-00-826-2081
NSN 5945-01-516-6843
NSN 5960-01-546-2379