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 5855-00-149-0766
NSN 5985-00-205-2922
NSN 6105-01-201-7228
NSN 6320-01-176-8367
NSN 6220-01-540-0509
NSN 5895-00-398-0029
NSN 5985-01-316-2007
NSN 5835-00-864-4481
NSN 6135-01-552-1568
NSN 5930-01-218-5151
NSN 5935-01-350-9429
NSN 6150-01-126-3132