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 7035-01-536-1278
NSN 6130-01-381-2238
NSN 6105-00-202-2469
NSN 5910-01-218-5413
NSN 6130-01-647-6442
NSN 5965-00-682-3567
NSN 5960-00-845-1043
NSN 6620-01-457-9476
NSN 6150-01-225-5965
NSN 5915-01-118-6548
NSN 2925-01-317-6973
NSN 5920-01-293-7418