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 5990-01-482-5950
NSN 6320-00-809-5744
NSN 5920-00-763-4839
NSN 5996-01-178-9486
NSN 4140-01-207-0452
NSN 6110-00-669-6586
NSN 5999-01-270-9909
NSN 6650-01-386-1300
NSN 6110-01-196-3560
NSN 5985-01-212-8130
NSN 5910-01-218-3997
NSN 5996-01-124-6350