INDICATORS ON ALUMINUM PARTS YOU SHOULD KNOW

In the event the wheel nut is tightened, the teeth with the Nord-Lock washers grip and lock the mating surfaces, permitting motion only through the cam faces. Any rotation from the wheel nut is blocked by the wedge-result of the cams.​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​�