| CARBON RELIEF GROOVE | NOT INCLUDED |
| CHAMFER ANGLE IN DEG | 45.0 |
| CHAMFER LENGTH | 0.0312 INCHES NOMINAL |
| DISTANCE FROM FIRST GROOVE TO STEM END | 0.2500 INCHES NOMINAL |
| DISTANCE FROM SECOND GROOVE TO STEM END | 0.8750 INCHES NOMINAL |
| FIRST GROOVE WIDTH | 0.5625 INCHES NOMINAL |
| FIRST GROOVE DIAMETER | 0.3720 INCHES MINIMUM AND 0.3760 INCHES MAXIMUM |
| FSC APPLICATION DATA | DIESEL ENGINE |
| HEAD HEIGHT | 0.1875 INCHES NOMINAL |
| HEAD STYLE | FLAT |
| METALLIC HARDNESS RATING AND LOCATION | 28.0 ROCKWELL C MINIMUM OVERALL |
| METALLIC HARDNESS RATING AND LOCATION | 37.0 ROCKWELL C MAXIMUM OVERALL |
| NECK RADIUS | 0.5000 INCHES NOMINAL |
| OUTSIDE DIAMETER | 1.8100 INCHES MINIMUM AND 1.8150 INCHES MAXIMUM |
| SEAT ANGLE IN DEG | 45.0 |
| SECOND GROOVE DIAMETER | 0.4050 INCHES MINIMUM AND 0.4100 INCHES MAXIMUM |
| SECOND GROOVE WIDTH | 0.0625 INCHES NOMINAL |
| STEM DIAMETER | 0.4350 INCHES MINIMUM AND 0.4355 INCHES MAXIMUM |
| STEM LENGTH | 6.9062 INCHES NOMINAL |
| STEM STYLE | DOUBLE GROOVED |