| STYLE DESIGNATOR | MUSHROOM |
| OUTSIDE DIAMETER | 17.000 INCHES NOMINAL |
| OVERALL HEIGHT | 20.000 INCHES NOMINAL |
| MOUNTING HOLE DIAMETER | 0.688 INCHES NOMINAL |
| MOUNTING BOLT CIRCLE DIAMETER | 5.000 INCHES NOMINAL |
| BASE DIAMETER | 6.250 INCHES NOMINAL |
| TOP DIAMETER | 6.250 INCHES NOMINAL |
| CENTER TO CENTER DISTANCE BETWEEN DOME HOLES | 5.000 INCHES NOMINAL |
| MATERIAL AND LOCATION | PORCELAIN OVERALL |
| IDENTIFICATION CODE COLOR | GRAY/GREY |
| MOUNTING FACILITY TYPE AND QUANTITY | 4 UNTHREADED HOLE |
| SCREW THREAD DIAMETER AND LOCATION | 0.625 ELECTRICAL TERMINATION INCHES NOMINAL |
| SCREW THREAD QUANTITY PER INCH AND LOCATION | 11 ELECTRICAL TERMINATION |
| THREAD CLASS AND LOCATION | 2 ELECTRICAL TERMINATION |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 86993 |
| DESIGN CONTROL REFERENCE | 748 |