Material aluminum, qq-a-225/9, 7075-t6 or qq-a-250/12, t651; finish iaw 902; insert, screw thd 1; clamp 1; o/a lg 5.997 in.; o/a w 0.310 to 0.315 in.; o/a thk 0.245 to 0.255 in.; chamfer 4 places 0.040 by 0.040; 1 hole and assembly iaw 904 0.335 in. Dp; 1 hole 0.160 to 0.162 in.