Cold rolled carbon steel; 1.490 in. Min., 1.494 in. Max od; 0.751 in. Min., 0.754 in. Max id; 0.184 in. Min., 0.186 in. Max thickness; 0.062 in. Split width; 0.005 in. Min., 0.020 in. Max by 45.0 degrees chamfer all edges; id to be concentric within 0.004 in. Tir