A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, slotted, hexagon.
Classification: Nuts of iron or steel
NSN 5950-00-400-1788
NSN 6620-01-486-2555
NSN 5920-01-442-3395
NSN 6320-01-600-5808
NSN 6150-01-646-3895
NSN 2925-01-161-7440
NSN 5945-00-895-0676
NSN 6135-00-321-6707
NSN 5925-01-600-4916
NSN 5960-01-201-6316
NSN 6135-00-269-5843
NSN 5999-01-281-7525