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 5920-01-429-1373
NSN 5905-01-074-2068
NSN 6150-00-216-6542
NSN 7035-00-973-9215
NSN 6645-00-950-9126
NSN 5935-01-359-4303
NSN 6220-01-446-6430
NSN 7035-00-206-6123
NSN 6150-01-270-4531
NSN 5990-00-919-0900
NSN 5835-01-576-9013
NSN 5965-01-561-7560