| BODY STYLE | UNSHIELDED, SOLID POST, TAPERED SEAT |
| DC RESISTANCE RATING IN OHMS | 10000.0 NOMINAL |
| DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY SPECIAL FEATURES |
| ELECTRODE STYLE | SINGLE GROUND ELECTRODE (SEE ALSO STYLE 1) |
| PRESSURE RATING | 250.0 POUNDS PER SQUARE INCH MINIMUM AND 260.0 POUNDS PER SQUARE INCH MAXIMUM MEAN EFFECTIVE |
| REACH LENGTH | 0.455 INCHES MINIMUM AND 0.475 INCHES MAXIMUM |
| NONDEFINITIVE SPEC/STD DATA | 3 TYPE AND A CLASS |
| SEAT MAJOR DIAMETER | 0.775 INCHES MINIMUM AND 0.810 INCHES MAXIMUM |
| SPECIAL FEATURES | EXTENDED ELECTRODE TIP STYLE |
| USAGE DESIGN | ENGINE OTHER THAN AIRCRAFT |
| WIDTH ACROSS FLATS | 0.812 INCHES NOMINAL |