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 5945-01-605-0511
NSN 5975-01-568-3147
NSN 6110-01-633-9660
NSN 5910-01-210-9822
NSN 6220-01-246-7534
NSN 5925-00-138-7585
NSN 5945-01-025-9810
NSN 5855-01-570-3195
NSN 5920-01-094-0857
NSN 6650-01-442-1440
NSN 5999-00-198-3959
NSN 7035-01-188-1953