Dyed brown
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 6110-01-535-0167
NSN 6150-01-406-3907
NSN 5985-00-497-9215
NSN 5925-01-264-8107
NSN 2925-01-327-3069
NSN 5985-01-130-7760
NSN 5999-00-151-9955
NSN 5990-00-187-5249
NSN 6110-00-516-8645
NSN 6150-01-491-6291
NSN 6150-01-499-5143
NSN 2925-00-844-2789