8N1117 Years:1948&Up Rear Wheel Stud (Fluted Shoulder) With Serrated Shoulder For Rear Brake Drum. 5/8" -18 Thread .690" O.D. On Serration. Fits Ford Tractors:2000, 3000, 4000, 600, 601, 700, 701, 800, 801, 8N, 900, 901, NAA. Replaces Ford Part Number:C5NN1107E.