| APERTURE DIAMETER | 0.6873 INCHES MINIMUM AND 0.6877 INCHES MAXIMUM |
| APERTURE SHAPE | ROUND |
| APERTURE TYPE | COUNTERBORED |
| COUNTERBORE DIAMETER | 0.810 INCHES NOMINAL0.810 INCHES NOMINAL |
| COUNTERBORE DEPTH | 0.190 INCHES NOMINAL0.190 INCHES NOMINAL |
| FEATURES PROVIDED | APERTURE |
| LENGTH | 2.750 INCHES NOMINAL2.750 INCHES NOMINAL |
| MATERIAL | ALUMINUM |
| MOUNTING HOLE DIAMETER | 0.112 INCHES NOMINAL FIRST HOLE |
| MOUNTING HOLE DIAMETER | 0.164 INCHES NOMINAL ALL HOLES |
| MOUNTING HOLE QUANTITY | 4 AND 2 |
| MOUNTING HOLE TYPE | THREADED AND UNTHREADED |
| SCREW THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| SHAPE | RECTANGULAR |
| WIDTH | 2.250 INCHES NOMINAL2.250 INCHES NOMINAL |
| THICKNESS | 0.375 INCHES NOMINAL0.375 INCHES NOMINAL |
| THREAD SIZE | 8-32 |