12.562" inside diameter 0.500" overall width slotted hexagon head screw inner band shoe to prevent seepage through band serrations passivate surface treated band
14.562" inside diameter 0.500" overall width slotted hexagon head screw inner band shoe to prevent seepage through band serrations passivate surface treated band
12.062" inside diameter 0.500" overall width slotted hexagon head screw inner band shoe to prevent seepage through band serrations passivate surface treated band