4.766" hole diameter 5.125" outside diameter 0.063" material thickness navy special project hole, 0.043 in. dia, drilled, 0.125 in. from top of each key passivate surface treated key
2b thread class right-hand 40 thread quantity per inch 0.026 to 0.036 inch wide by 0.005 to 0.015 inch deep undercut under flange passivate surface treated