0.3438" first hole diameter 1.5000" overall length counterbore at flange 2.5010 in. min, 2.5030 in. max dia, 0.3125 in. deep 22c solid, external flange one end
0.1280" first hole diameter 2.7450" overall length reference spcc procurement spec 3120-469-0839 for additional design data 22c solid, external flange one end