| ELECTRODE STYLE | TRIPLE GAP GROUND ELECTRODE |
| BARREL INSIDE DIAMETER | 0.559 INCHES MINIMUM AND 0.560 INCHES MAXIMUM |
| BODY STYLE | ELECTRICALLY SHIELDED, PARTIAL INSULATOR, GASKET SEAT |
| DC RESISTANCE RATING IN OHMS | 1000.0 NOMINAL |
| HEIGHT ABOVE MOUNTING SURFACE | 2.250 INCHES NOMINAL |
| PRESSURE RATING | 340.0 POUNDS PER SQUARE INCH NOMINAL MEAN EFFECTIVE |
| REACH LENGTH | 0.792 INCHES MINIMUM AND 0.812 INCHES MAXIMUM |
| SEAT MAJOR DIAMETER | 0.865 INCHES MINIMUM AND 0.970 INCHES MAXIMUM |
| SHIELD THREAD LENGTH | 0.375 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 0.870 INCHES MINIMUM AND 0.878 INCHES MAXIMUM |
| TERMINAL SLEEVE INSIDE DIAMETER | 0.378 INCHES MINIMUM AND 0.388 INCHES MAXIMUM |
| THREAD SIZE AND SERIES/TYPE DESIGNATOR | 5/8-24 UNEF SHIELD |
| TOP TO SHIELD THREAD DISTANCE | 0.125 INCHES NOMINAL |
| TOP TO TERMINAL CONTACT DISTANCE | 1.000 INCHES NOMINAL |
| USAGE DESIGN | AIRCRAFT ENGINE |