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 5920-01-172-2560
NSN 5925-01-415-0261
NSN 6240-01-653-9816
NSN 6105-00-617-0213
NSN 6240-00-484-1190
NSN 5998-00-684-8186
NSN 6650-01-392-0588
NSN 5999-01-021-0788
NSN 6620-01-104-5510
NSN 5905-00-470-8269
NSN 6220-01-021-5096
NSN 6620-00-389-8442