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 5920-01-055-7760
NSN 5998-00-515-2252
NSN 6620-01-218-3542
NSN 5999-00-205-0918
NSN 6150-01-347-9051
NSN 7035-01-177-2807
NSN 5920-01-237-7854
NSN 6610-00-248-1559
NSN 5920-00-052-7172
NSN 6610-01-152-9240
NSN 5990-01-462-1617
NSN 5835-01-332-2867