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 6105-01-561-8993
NSN 6240-01-332-5275
NSN 6620-01-323-6091
NSN 6320-00-164-4087
NSN 6620-01-488-9547
NSN 5999-00-599-1705
NSN 5935-01-231-9653
NSN 6150-00-712-8212
NSN 5855-00-688-9954
NSN 5998-01-216-7276
NSN 5990-01-430-9177
NSN 6150-01-587-0816