Aluminum alloy, qq-a-250/4, 3.06 in. Lg, 1.38 in. W, 1.18 in. H, four no. 10/0.193/dia holes spaced 0.760 in. By 2.320 in. C to c, two nut plates part no. Nas698a3, four rivets part no. Ms20426ad3, one 0.499 in. Min, 0.500 in. Max diameter hole located 0.50 in. From edge incenter top of bracket, 0.062 in. Thk material