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 6110-00-242-0820
NSN 5950-00-139-6662
NSN 5996-01-528-7850
NSN 6145-01-523-2557
NSN 7035-01-407-6413
NSN 5950-01-632-8662
NSN 5990-00-965-0495
NSN 2925-01-008-5696
NSN 5895-00-324-0578
NSN 6610-01-435-8982
NSN 5925-00-081-1170
NSN 6220-00-464-5907