| CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO HEIGHT | 1.156 INCHES MINIMUM AND 1.250 INCHES MAXIMUM |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH | 1.156 INCHES MINIMUM AND 1.250 INCHES MAXIMUM |
| MATERIAL | STEEL CORROSION RESISTING LOCATION NOT OTHERWISE SPECIFIED |
| MOUNTING FACILITY TYPE AND QUANTITY | 1 THREADED COUPLING |
| MOUNTING SLOT LENGTH | 0.188 INCHES MINIMUM AND 0.202 INCHES MAXIMUM |
| MOUNTING SLOT WIDTH | 0.122 INCHES MINIMUM AND 0.136 INCHES MAXIMUM |
| NOMINAL THREAD SIZE | 31.0 MILLIMETERS |
| OVERALL HEIGHT | 1.552 INCHES MINIMUM AND 1.572 INCHES MAXIMUM |
| OVERALL LENGTH | 1.466 INCHES MAXIMUM |
| OVERALL WIDTH | 1.552 INCHES MINIMUM AND 1.572 INCHES MAXIMUM |
| SIZE DESIGNATION | 21 |
| STYLE DESIGNATOR | BOX/WALL MOUNT EXTERNAL THREAD |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD TOLERANCE CLASS | 6G EXTERNAL |
| THREAD SERIES DESIGNATOR | ISO M |