| ELECTRODE STYLE | SINGLE "J" TYPE GROUND ELECTRODE (SEE ALSO STYLE 1 & 17) |
| BARREL INSIDE DIAMETER | 0.486 INCHES NOMINAL |
| BODY STYLE | ELECTRICALLY SHIELDED, PARTIAL INSULATOR, GASKET SEAT |
| HEIGHT ABOVE MOUNTING SURFACE | 2.688 INCHES NOMINAL |
| PRESSURE RATING | 200.0 POUNDS PER SQUARE INCH MINIMUM AND 260.0 POUNDS PER SQUARE INCH MAXIMUM MEAN EFFECTIVE |
| REACH LENGTH | 0.625 INCHES NOMINAL |
| SHIELD THREAD LENGTH | 0.250 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 0.875 INCHES NOMINAL |
| TERMINAL SLEEVE INSIDE DIAMETER | 0.380 INCHES NOMINAL |
| 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 | ENGINE OTHER THAN AIRCRAFT |