Aluminum bronze, ams 4631, 0.900 in. Lg 1.440 in. Min, 1.443 in. Maxo/a dia, 0.750 in. Id, 0.790 in. Diameter countersunk 90 degrees small end, 0.825 in. Od small end to offset, 0.950 in. Diameter offset, 0.62 in. Lg tooffset, 0.800 in. Lg to flange, 0.100 in. W flange, 0.830 in. Diacountersunk 45 degrees large end