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 6150-01-066-2119
NSN 5930-01-196-6137
NSN 5935-01-532-0678
NSN 6150-01-501-9813
NSN 6220-00-956-0565
NSN 5950-01-185-6055
NSN 6240-00-936-9027
NSN 5998-00-423-7121
NSN 6110-01-442-0371
NSN 6220-00-834-1852
NSN 5990-01-319-5667
NSN 5999-00-759-5311