"ALUMINUM ALLOY 2024-T3,WW-T-700/3 TYPE 1 CONDITION T3,1.500 IN. LG,1.750 IN. OD PRIOR TO APPLICATION OF HARDCOAT,1.568 IN. ID PRIOR TO APPLICATION OF HARDCOAT,2 HOLES THROUGH CENTERLINE AT 90.0 DEG ANGLES,0.375 IN. C TO C,0.0015 IN. MIN,0.0025 IN. MAX THK HARDCOAT,INSIDE EDGE CHAMFER 0.030 IN. W,45.0 DEG ONE END ONLY"