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 5985-01-197-5580
NSN 7035-00-312-3055
NSN 5960-00-726-0580
NSN 5960-00-518-3091
NSN 5985-00-935-8653
NSN 5930-00-202-1078
NSN 5996-01-246-8179
NSN 6220-00-617-9616
NSN 5975-01-349-7243
NSN 5925-00-608-0973
NSN 5945-01-010-1680
NSN 5855-01-391-7077