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 6240-00-411-1140
NSN 6130-01-215-9567
NSN 5985-01-012-4281
NSN 6145-00-055-7268
NSN 6105-01-190-5507
NSN 4140-00-468-5342
NSN 5895-01-225-8658
NSN 5998-01-546-6874
NSN 5915-01-510-2296
NSN 6240-00-435-0433
NSN 5910-00-366-6900
NSN 6240-01-540-5980