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 5935-01-578-5826
NSN 5975-01-338-9486
NSN 5960-01-023-8037
NSN 5999-00-809-4560
NSN 6645-01-115-4953
NSN 5945-00-548-1840
NSN 5925-01-597-2065
NSN 5920-00-786-8241
NSN 6110-01-641-5006
NSN 5920-01-534-3806
NSN 5945-01-377-0685
NSN 6645-00-055-0170