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 6135-01-553-3604
NSN 5950-01-148-8481
NSN 6220-00-269-4556
NSN 5905-00-395-3453
NSN 6150-00-156-6080
NSN 5915-01-573-5980
NSN 6105-00-484-5106
NSN 4140-00-726-8032
NSN 5895-01-447-1956
NSN 5925-01-299-6612
NSN 6320-01-506-9439
NSN 5835-01-123-8305