0.8480" overall length drilled hole in flange 0.096 in. min, 0.106 in. max dia, 0.080 in. min, 0.110 in. max, deep, on c/l, 0.630 in. from horizontal c/l, one groove 76 deg min, 78 deg max, from drilled hole anodize surface treated 22c-1 solid, external flange one end, internal flange one end