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 4140-00-793-5180
NSN 5855-00-149-0766
NSN 5985-01-035-9605
NSN 5990-00-694-4086
NSN 6240-00-287-1988
NSN 6320-01-521-1764
NSN 5925-01-462-0068
NSN 5945-01-118-5871
NSN 6130-01-409-1443
NSN 5930-01-415-4579
NSN 5920-00-604-6301
NSN 5930-00-461-8455