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 5960-00-199-6034
NSN 6110-01-583-1130
NSN 6685-01-310-2212
NSN 6145-01-143-7498
NSN 6620-01-189-8153
NSN 6620-01-222-0143
NSN 6320-01-422-1212
NSN 5925-00-391-5362
NSN 6105-01-122-3835
NSN 5895-01-436-0473
NSN 5965-01-568-0966
NSN 6650-00-336-0753