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 5999-00-503-5503
NSN 6320-01-326-1316
NSN 6130-00-639-0666
NSN 6105-01-141-3614
NSN 5990-01-134-7756
NSN 6320-00-089-9425
NSN 5950-01-569-4060
NSN 6130-01-029-6112
NSN 6650-01-167-1311
NSN 5915-00-393-0448
NSN 4140-01-133-6446
NSN 5990-01-390-2177