A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, slotted, hexagon.
Classification: Nuts of iron or steel
NSN 6620-00-621-6951
NSN 5895-01-104-9611
NSN 5855-01-156-0417
NSN 6610-01-471-8130
NSN 6150-00-173-3964
NSN 6240-01-010-2991
NSN 5965-01-133-7459
NSN 5960-00-147-7475
NSN 5996-00-146-9746
NSN 6320-00-270-8222
NSN 5998-01-043-7535
NSN 5835-01-125-2558