| CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO HEIGHT | 1.557 INCHES MINIMUM AND 1.567 INCHES MAXIMUM |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH | 1.557 INCHES MINIMUM AND 1.567 INCHES MAXIMUM |
| OVERALL HEIGHT | 1.969 INCHES MINIMUM AND 2.031 INCHES MAXIMUM |
| OVERALL LENGTH | 0.937 INCHES NOMINAL |
| OVERALL WIDTH | 1.969 INCHES MINIMUM AND 2.031 INCHES MAXIMUM |
| MATERIAL | ALUMINUM LOCATION NOT OTHERWISE SPECIFIED |
| MOUNTING FACILITY TYPE AND QUANTITY | 4 UNTHREADED HOLE(S) |
| NOMINAL THREAD SIZE | 1.750 INCHES |
| NOMINAL THREAD LENGTH | 0.625 INCHES |
| SIZE DESIGNATION | 28 |
| UNTHREADED MOUNTING HOLE DIAMETER | 0.142 INCHES MINIMUM AND 0.157 INCHES MAXIMUM |
| STYLE DESIGNATOR | BOX/WALL MOUNT EXTERNAL THREAD |
| SURFACE TREATMENT | CADMIUM AND CHROMATE |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 18 |
| THREAD SERIES DESIGNATOR | UNS |