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 6240-01-451-1409
NSN 5996-01-572-3928
NSN 5999-01-612-8853
NSN 6110-01-427-8426
NSN 6220-00-248-4011
NSN 2925-00-583-9669
NSN 6135-01-308-5688
NSN 6645-00-183-8812
NSN 5975-01-567-3651
NSN 6150-01-254-0467
NSN 5965-00-739-2063
NSN 6105-01-513-0310