4.000 in. Lg; 3.120 in. W; 0.250 in. H; matl al aly plate, qq-a-25c/4, temp t3, 3 holes 0.171 in. Dia; 3 holes 0.156 in. Diameter with csk 100 degrees to 0.279 in. Dia; 1 hole 0.438 in. Dia; 1 hole 1.125 in. Dia; center hole 3.062 in. Dia; outer hole 2.750 in. Dia