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 6240-01-036-9040
NSN 5855-01-064-8961
NSN 5999-01-061-6951
NSN 6110-01-509-7586
NSN 6150-01-149-7420
NSN 5965-01-462-9340
NSN 5930-01-481-7155
NSN 5905-01-141-1923
NSN 5930-00-051-2263
NSN 6135-01-495-0933
NSN 6135-00-803-3012
NSN 5985-01-471-2566