Block is 0.360 in. Long, 0.340 in. Wide, 0.275 in. High; a 0.188 in. To 0.193 in. Through hole is located 0.180 in. From end of block, a 0.096 in. Porm 0.001 in. Hole is located on the end of block 0.100 in. From the top and intersects the 0.188 in. Hole; material qq-a-200/86061-t6 aluminum alloy; surface treatment mil-c-5541, chem film class 3