| BODY STYLE | ELECTRICALLY SHIELDED, PARTIAL INSULATOR, GASKET SEAT |
| USAGE DESIGN | AIRCRAFT ENGINE |
| ELECTRODE STYLE | FOUR GAP GROUND ELECTRODE |
| THREAD SIZE AND SERIES/TYPE DESIGNATOR | 3/4-20 UNEF SHIELD |
| REACH LENGTH | 0.312 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 0.874 INCHES NOMINAL |
| SEAT MAJOR DIAMETER | 0.960 INCHES NOMINAL |
| HEIGHT ABOVE MOUNTING SURFACE | 2.500 INCHES NOMINAL |
| TOP TO TERMINAL CONTACT DISTANCE | 1.500 INCHES NOMINAL |
| TOP TO SHIELD THREAD DISTANCE | 0.125 INCHES NOMINAL |
| SHIELD THREAD LENGTH | 0.375 INCHES NOMINAL |
| BARREL INSIDE DIAMETER | 0.388 INCHES NOMINAL |
| TERMINAL SLEEVE INSIDE DIAMETER | 0.265 INCHES NOMINAL |
| DC RESISTANCE RATING IN OHMS | 700.0 NOMINAL |
| FSC APPLICATION DATA | ELECTRICALSYSTEM,AIRCRAFT |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81349 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MILS7886-5-6 |