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 5920-01-020-7659
NSN 5999-01-159-3162
NSN 5975-00-350-8151
NSN 5910-01-074-9155
NSN 5905-01-166-0962
NSN 5990-00-122-8698
NSN 5990-01-633-9503
NSN 6220-01-309-9146
NSN 5975-01-519-8899
NSN 6650-01-536-4086
NSN 6650-01-485-3444
NSN 5935-01-610-5561