| DISTANCE FROM GROOVE TO STEM END | 0.2968 INCHES NOMINAL |
| CARBON RELIEF GROOVE | NOT INCLUDED |
| CHAMFER ANGLE IN DEG | 45.0 |
| CHAMFER LENGTH | 0.0156 INCHES NOMINAL |
| FSC APPLICATION DATA | DIESEL ENGINE |
| GROOVE DIAMETER | 0.2670 INCHES MINIMUM AND 0.2730 INCHES MAXIMUM |
| GROOVE WIDTH | 0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM |
| HEAD HEIGHT | 0.1875 INCHES NOMINAL |
| HEAD STYLE | FLAT |
| OUTSIDE DIAMETER | 1.2760 INCHES MINIMUM AND 1.2860 INCHES MAXIMUM |
| METALLIC HARDNESS RATING AND LOCATION | 46.0 ROCKWELL C NOMINAL TIP |
| METALLIC HARDNESS RATING AND LOCATION | 92.0 ROCKWELL B NOMINAL HEAD |
| NECK RADIUS | 0.3750 INCHES NOMINAL |
| SEAT ANGLE IN DEG | 45.0 |
| STEM DIAMETER | 0.3090 INCHES MINIMUM AND 0.3100 INCHES MAXIMUM |
| STEM LENGTH | 4.5680 INCHES MINIMUM AND 4.5830 INCHES MAXIMUM |
| STEM STYLE | GROOVED |