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 5965-01-157-2403
NSN 5960-00-390-5846
NSN 5960-01-158-9166
NSN 4140-01-507-3003
NSN 6150-00-583-9878
NSN 5965-01-420-6613
NSN 2925-01-633-4048
NSN 6105-01-640-8017
NSN 6620-01-363-8362
NSN 6645-01-483-3532
NSN 5960-01-475-7428
NSN 6610-01-005-4636