| CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO HEIGHT | 1.151 INCHES MINIMUM AND 1.161 INCHES MAXIMUM |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH | 1.151 INCHES MINIMUM AND 1.161 INCHES MAXIMUM |
| OVERALL HEIGHT | 1.480 INCHES MINIMUM AND 1.520 INCHES MAXIMUM |
| OVERALL LENGTH | 1.339 INCHES MINIMUM AND 1.349 INCHES MAXIMUM |
| OVERALL WIDTH | 1.480 INCHES MINIMUM AND 1.520 INCHES MAXIMUM |
| MATERIAL | ALUMINUM ALLOY LOCATION NOT OTHERWISE SPECIFIED |
| MOUNTING FACILITY TYPE AND QUANTITY | 2 THREADED COUPLING AND 4 UNTHREADED HOLE(S) |
| NOMINAL THREAD SIZE | 1.250 INCHES AND 1.125 INCHES |
| SIZE DESIGNATION | 20 |
| UNTHREADED MOUNTING HOLE DIAMETER | 0.175 INCHES MINIMUM AND 0.181 INCHES MAXIMUM |
| STYLE DESIGNATOR | BOX/WALL MOUNT W/SOLID BACKSHELL |
| SURFACE TREATMENT | ANODIZE |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES DESIGNATOR | UNEF |