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 5930-00-526-0662
NSN 5990-01-658-9964
NSN 6110-01-217-8469
NSN 5960-01-006-8469
NSN 6130-00-552-6899
NSN 6145-01-484-4081
NSN 6110-01-064-3801
NSN 6650-00-111-3399
NSN 5835-00-005-7909
NSN 4140-01-369-6978
NSN 5935-01-044-5741
NSN 5950-01-488-9848