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 6650-00-299-9681
NSN 6610-00-001-9683
NSN 6130-00-146-1525
NSN 5930-00-783-4023
NSN 5910-00-177-6752
NSN 5999-01-377-9771
NSN 5925-01-564-3707
NSN 6610-01-622-2795
NSN 5960-01-130-0141
NSN 5835-00-711-3371
NSN 4140-01-632-0983
NSN 5999-01-462-0180