0.188" hole diameter 3.340" outside diameter seven slots with a circle dia of 2.750 in. one small hole centerline with a dia of 0.220 in. four smaller slots on bolt circle of 2.750
Used on cooler air 846.00 sq ft clg sur 44tb ty a. 0.563" hole diameter 23.125" overall length 8.500" overall width navy: gasket - wtr box non-asbestos