| BODY STYLE | UNSHIELDED,SOLID OR THREADED POST,GASKET SEAT |
| DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY SPECIAL FEATURES |
| ELECTRODE STYLE | SINGLE GROUND ELECTRODE (SEE ALSO STYLE 1) |
| NONDEFINITIVE SPEC/STD DATA | 3 TYPE AND B CLASS |
| PRESSURE RATING | 300.0 POUNDS PER SQUARE INCH (PSI) NOMINAL MEAN EFFECTIVE |
| REACH LENGTH | 0.472 INCHES NOMINAL |
| SEAT MAJOR DIAMETER | 0.810 INCHES MAXIMUM |
| SPECIAL FEATURES | SHELL THD 0.472 IN.,LG.,EXTENDED ELECTRODE TIP STYLE |
| USAGE DESIGN | ENGINE OTHER THAN AIRCRAFT |
| WIDTH ACROSS FLATS | 0.812 INCHES NOMINAL |