| BODY STYLE | ELECTRICALLY SHIELDED, FULL INSULATOR, GASKET SEAT |
| USAGE DESIGN | ENGINE OTHER THAN AIRCRAFT |
| ELECTRODE STYLE | SINGLE ROUND GROUND ELECTRODE |
| THREAD SIZE AND SERIES/TYPE DESIGNATOR | 1/4-32 UNEF BASE |
| 5/8-24 UNEF SHIELD |
| REACH LENGTH | 0.344 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 0.812 INCHES NOMINAL |
| SEAT MAJOR DIAMETER | 0.797 INCHES NOMINAL |
| HEIGHT ABOVE MOUNTING SURFACE | 2.219 INCHES NOMINAL |
| TOP TO TERMINAL CONTACT DISTANCE | 1.000 INCHES NOMINAL |
| TOP TO SHIELD THREAD DISTANCE | 0.125 INCHES NOMINAL |
| SHIELD THREAD LENGTH | 0.312 INCHES NOMINAL |
| TERMINAL SLEEVE INSIDE DIAMETER | 0.375 INCHES NOMINAL |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 70673 |
| DESIGN CONTROL REFERENCE | SI142 |