Wcres, ams5643, 0.0994 in. Min, 0.0999 in. Max id, 0.547 in. Min, 0.549 in. Max od, 0.341 in. Min, 0.344 in. Max lg, 0.437 in. Diameter of counterbore, 0.245 in. Depth of counterbore, 4 holes 0.124 in. Min, 0.126 in. Max diameter equally spaced on body