"ALUMINUM ALLOY,ALLOY 2024,QQ-A-250/4,T62; EPOXY POLYAMIDE PRIMER,MIL-P-23377; 15 0.097 IN. MIN,0.102 IN. MAX DIA HOLES; 2.0.250 IN.MIN,0.254 IN. MAX DIA HOLES; 1 1.000 IN. DIA HOLE; 1 1.150 IN. DIA HOLE; 1 1.400 IN. DIA HOLE; 1 1.650 IN. DIA HOLE; OPPOSITE OF PART NUMBER A51B92055-27,CAGEC 26512; 0.040 IN. MATERIAL THK"