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 4140-01-627-6868
NSN 5965-01-107-8549
NSN 6320-00-394-8458
NSN 5990-01-307-4489
NSN 6130-00-785-5278
NSN 5920-01-426-1806
NSN 5925-01-117-3022
NSN 5990-00-188-6111
NSN 6130-00-500-4860
NSN 5935-01-459-4949
NSN 5925-01-578-8651
NSN 5920-01-619-4023