GENERAL CHARACTERISTICS ITEM DESCRIPTION | ALUMINUM,4.600 IN. MAJOR OD,4.590 IN. MINOR OD,3.050 IN. ID,0.165 IN. THK,W/3 FLATS 0.411 IN. DIA EQUALLY SPACED ON 3.625 IN. BOLT CIRCLE,W/3 PINS,0.430 IN. O/A DIA,ON 3.625 IN. BOLT CIRCLE,AND W/12 FLATS EQUALLY SPACED ON OUTER RIM |