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 5998-01-484-4098
NSN 5910-00-222-5641
NSN 5990-01-268-2236
NSN 5998-00-855-4646
NSN 6150-00-269-5017
NSN 6645-00-905-7258
NSN 5905-01-268-1535
NSN 5835-01-632-6627
NSN 6220-00-669-5623
NSN 5990-00-548-6163
NSN 5985-01-313-5253
NSN 6130-00-309-2388