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 4140-00-058-1355
NSN 6650-01-183-0711
NSN 5925-00-387-3956
NSN 7035-01-064-8212
NSN 5855-01-076-5202
NSN 5960-01-570-8605
NSN 6145-01-430-5426
NSN 5910-01-484-9643
NSN 6150-01-487-8787
NSN 5925-01-445-0850
NSN 5945-00-503-9959
NSN 4140-01-644-4637