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 5999-01-442-8570
NSN 5950-01-470-1866
NSN 5855-01-579-7065
NSN 2925-01-583-5619
NSN 5915-01-288-5165
NSN 5998-01-019-6249
NSN 5945-00-179-3827
NSN 5975-01-059-2705
NSN 6320-01-335-8336
NSN 6130-01-540-1624
NSN 5855-01-622-8764
NSN 6240-01-210-8467