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 5975-00-203-6020
NSN 5996-00-218-1123
NSN 5999-00-493-2967
NSN 6130-01-408-7820
NSN 5960-01-314-7757
NSN 6105-01-431-8998
NSN 5998-01-449-4285
NSN 4140-01-477-2017
NSN 6240-01-133-9596
NSN 6645-00-004-8628
NSN 5920-01-190-9032
NSN 6105-00-135-7336