| BODY STYLE | ELECTRICALLY SHIELDED, PARTIAL INSULATOR, GASKET SEAT |
| USAGE DESIGN | AIRCRAFT ENGINE |
| ELECTRODE STYLE | TWO FLAT GROUND ELECTRODE |
| THREAD SIZE AND SERIES/TYPE DESIGNATOR | 5/8-24 UNEF SHIELD |
| REACH LENGTH | 0.802 INCHES MINIMUM AND |
| 0.812 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.820 INCHES MINIMUM AND |
| 0.878 INCHES MAXIMUM |
| SEAT MAJOR DIAMETER | 0.555 INCHES MINIMUM AND |
| 0.565 INCHES MAXIMUM |
| HEIGHT ABOVE MOUNTING SURFACE | 2.190 INCHES MINIMUM AND |
| 2.310 INCHES MAXIMUM |
| TOP TO TERMINAL CONTACT DISTANCE | 1.000 INCHES MINIMUM AND |
| 1.050 INCHES MAXIMUM |
| TOP TO SHIELD THREAD DISTANCE | 0.120 INCHES NOMINAL |
| SHIELD THREAD LENGTH | 0.250 INCHES NOMINAL |
| BARREL INSIDE DIAMETER | 0.469 INCHES NOMINAL |
| TERMINAL SLEEVE INSIDE DIAMETER | 0.378 INCHES MINIMUM AND |
| 0.383 INCHES MAXIMUM |
| DC RESISTANCE RATING IN OHMS | 3000.0 NOMINAL |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 05045 |
| DESIGN CONTROL REFERENCE | RB27R |