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 5910-00-156-7293
NSN 6220-01-369-1646
NSN 5910-01-549-9770
NSN 4140-01-141-7692
NSN 6135-00-838-0706
NSN 6220-01-437-7667
NSN 6130-01-121-0172
NSN 5895-00-146-1809
NSN 5855-00-198-3197
NSN 5935-00-741-3822
NSN 6610-01-633-8931
NSN 5855-01-657-7657