"ALUMINUM ALLOY QQ-A-250/4 COND T3 2024-T3,COAT MIL-C-15328,PRIME MIL-P-8585 COLOR Y MIL-P-6808,GREY LUSTERLESS ENAMEL FED-STD-595 COLOR 36231 TT-E-527,TREAT MIL-C-5541,8.250 IN. MIN 8.280 IN. MAX O/A LG,3.320 IN O/A W,0.060 IN. THK,NINE HOLES 0.156 IN. DIA"