| BODY LENGTH | 5.000 INCHES NOMINAL |
| FIRST CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES | 5.500 INCHES NOMINAL |
| INSIDE DEPTH | 3.120 INCHES MINIMUM AND 4.100 INCHES MAXIMUM |
| OVERALL LENGTH | 6.250 INCHES NOMINAL |
| OVERALL WIDTH | 3.770 INCHES NOMINAL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | CONTROL STATION 2 ELEMENT TYPE 6981ED172 |
| MATERIAL | ALUMINUM ALLOY OR STEEL CORROSION RESISTING OVERALL |
| MOUNTING FEET LENGTH | 0.750 INCHES NOMINAL |
| SECOND CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES | 3.000 INCHES NOMINAL |
| STYLE DESIGNATOR | RECTANGULAR-SPECIAL COVERED |