O/a lg and w 1.594 in.; o/a thk 0.060 in. Min to 0.066 in. Max; ctr to ctr distance between mtg holes along lg and w 1.250 in.; inside diameter 1.285 in. Min to 1.295 in. Max; 0.906 in. Space along one side centered; 0.090 in. Chamfer 6 places; 4 mtg holes 0.155 in. Min to 0.157 in. Max countersunk 88.0 degrees min to 92.0 degrees max to 0.218 in. Dia