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 5950-00-424-9646
NSN 2925-01-548-6674
NSN 4140-00-529-7463
NSN 6650-01-551-6866
NSN 6610-00-245-6177
NSN 5985-00-864-5109
NSN 6150-00-185-9995
NSN 5985-01-303-6574
NSN 6240-01-179-4547
NSN 6610-01-387-5630
NSN 5925-01-464-8917
NSN 6645-01-273-2462