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 5910-01-545-6648
NSN 6110-00-978-8329
NSN 6320-01-084-8821
NSN 6220-01-461-8811
NSN 6240-01-197-8491
NSN 6150-01-283-4355
NSN 5855-00-631-4565
NSN 5950-01-311-7719
NSN 5855-00-058-1293
NSN 5960-01-265-1393
NSN 5945-01-179-9695
NSN 5835-01-485-1408