Titanium alloy material per mil-t-9047, comp 6 (fully annealed); 2.238 to 2.240 in. Od; 1.3754 to 1.3759 in. Id; 0.115 to 0.117 in. Thk; 2 notches 0.818 to 0.822 in. Lg on od; 0.093 to 0.098 in. Diameter 4 holes w/ea having 0.155to 0.162 in. Spot face cbore; 0.093 to0.098 in. 4 holes w/o cbore