| CARBON RELIEF GROOVE | NOT INCLUDED |
| CHAMFER ANGLE IN DEG | 45.0 |
| CHAMFER LENGTH | 0.0620 INCHES NOMINAL |
| DISTANCE FROM GROOVE TO STEM END | 0.7500 INCHES NOMINAL |
| FSC APPLICATION DATA | DIESEL ENGINE |
| GROOVE WIDTH | 1.0000 INCHES MINIMUM AND 1.0150 INCHES MAXIMUM |
| GROOVE DIAMETER | 0.9330 INCHES MINIMUM AND 0.9410 INCHES MAXIMUM |
| HEAD HEIGHT | 0.8750 INCHES NOMINAL |
| HEAD STYLE | FLAT |
| METALLIC HARDNESS RATING AND LOCATION | 30.0 ROCKWELL C MINIMUM SEAT FACE |
| METALLIC HARDNESS RATING AND LOCATION | 30.0 ROCKWELL C MINIMUM STEM |
| METALLIC HARDNESS RATING AND LOCATION | 30.0 ROCKWELL C MINIMUM HEAD |
| METALLIC HARDNESS RATING AND LOCATION | 38.0 ROCKWELL C MAXIMUM HEAD |
| METALLIC HARDNESS RATING AND LOCATION | 38.0 ROCKWELL C MAXIMUM SEAT FACE |
| METALLIC HARDNESS RATING AND LOCATION | 38.0 ROCKWELL C MAXIMUM STEM |
| METALLIC HARDNESS RATING AND LOCATION | 55.0 ROCKWELL C NOMINAL TIP |
| NECK RADIUS | 1.0000 INCHES NOMINAL |
| OUTSIDE DIAMETER | 6.4900 INCHES MINIMUM AND 6.5100 INCHES MAXIMUM |
| SEAT ANGLE IN DEG | 45.0 |
| STEM DIAMETER | 1.1200 INCHES MINIMUM AND 1.1210 INCHES MAXIMUM |
| STEM LENGTH | 18.3750 INCHES NOMINAL |
| STEM STYLE | GROOVED |