0.248" hole diameter 0.395" outside diameter 0.023" material thickness inside dia has two flat surfaces horizontal to tab passivate surface treated key
0.750" hole diameter 1.440" outside diameter 0.060" material thickness three 0.140 in. dia thru holes, countersunk 100 deg to 0.235 in. dia on the far side, located on 1-095 in. bolt circle passivate surface treated