Axle shoulder nut, 5/8"-18 tpi for side mount tail lamps & 3/4" Harley Rear axle

Axle shoulder nut is 5/8" x 18 threads per inch.
For use on side mount tail lamps and 3/4" axle.

Shoulder diameter is 1".               
              Fits:
Custom application for 3/4" axle
UOM: 1 - EA