| CARBON RELIEF GROOVE | NOT INCLUDED |
| CHAMFER ANGLE IN DEG | 45.0 |
| CHAMFER LENGTH | 0.0625 INCHES NOMINAL |
| DISTANCE FROM GROOVE TO STEM END | 0.5000 INCHES NOMINAL |
| FSC APPLICATION DATA | DIESEL ENGINE |
| GROOVE DIAMETER | 0.8720 INCHES MINIMUM AND 0.8740 INCHES MAXIMUM |
| GROOVE WIDTH | 1.2500 INCHES MINIMUM AND 1.2550 INCHES MAXIMUM |
| HEAD HEIGHT | 0.4370 INCHES MINIMUM AND 0.4520 INCHES MAXIMUM |
| HEAD STYLE | FLAT |
| METALLIC HARDNESS RATING AND LOCATION | 15.0 ROCKWELL C NOMINAL HEAD |
| METALLIC HARDNESS RATING AND LOCATION | 40.0 ROCKWELL C MINIMUM STEM |
| METALLIC HARDNESS RATING AND LOCATION | 40.0 ROCKWELL C MINIMUM TIP |
| METALLIC HARDNESS RATING AND LOCATION | 45.0 ROCKWELL C MAXIMUM STEM |
| METALLIC HARDNESS RATING AND LOCATION | 45.0 ROCKWELL C MAXIMUM TIP |
| NECK RADIUS | 2.0000 INCHES NOMINAL |
| OUTSIDE DIAMETER | 5.2500 INCHES NOMINAL |
| SEAT ANGLE IN DEG | 45.0 |
| STEM DIAMETER | 1.2410 INCHES MINIMUM AND 1.2420 INCHES MAXIMUM |
| STEM LENGTH | 15.7500 INCHES MINIMUM AND 15.7650 INCHES MAXIMUM |
| STEM STYLE | GROOVED |