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.
NSN 5910-01-296-6687
NSN 5998-00-961-2687
NSN 5895-01-641-9820
NSN 5855-00-149-0766
NSN 5945-00-368-2593
NSN 5910-00-881-5016
NSN 6610-01-086-5334
NSN 5930-00-170-9079
NSN 5998-01-095-3637
NSN 6110-01-496-4473
NSN 6645-00-926-4394
NSN 6610-01-127-0724