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 6145-01-224-7228
NSN 4140-01-614-8945
NSN 5950-01-104-5445
NSN 5920-00-307-6789
NSN 5895-01-422-1673
NSN 5855-00-494-9581
NSN 5920-00-556-2704
NSN 5855-01-130-1501
NSN 6320-01-162-5977
NSN 6145-01-624-1167
NSN 6110-01-049-1679
NSN 5950-01-644-1025