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 5985-01-442-0454
NSN 5998-01-557-5375
NSN 5985-01-611-4143
NSN 6105-00-809-2609
NSN 6650-01-642-0367
NSN 6685-01-648-2179
NSN 6150-01-412-1123
NSN 5935-01-491-8979
NSN 5975-01-496-0336
NSN 5998-01-092-9661
NSN 5855-01-175-2465
NSN 6650-01-642-0367