| DISTANCE FROM MINOR DIAMETER TO STEM END | 0.3240 INCHES MINIMUM AND 0.3280 INCHES MAXIMUM |
| CARBON RELIEF GROOVE | NOT INCLUDED |
| CHAMFER ANGLE IN DEG | 45.0 |
| CHAMFER LENGTH | 0.0312 INCHES NOMINAL |
| FSC APPLICATION DATA | DIESEL ENGINE |
| HEAD HEIGHT | 0.2500 INCHES MINIMUM AND 0.2650 INCHES MAXIMUM |
| HEAD STYLE | FLAT |
| OUTSIDE DIAMETER | 2.7450 INCHES MINIMUM AND 2.7550 INCHES MAXIMUM |
| MATERIAL AND LOCATION | STEEL, FED STD 66, SAE EV4 HEAD |
| MATERIAL AND LOCATION | STEEL, FED STD 66, SAE HNV3 STEM |
| METALLIC HARDNESS RATING AND LOCATION | 30.0 ROCKWELL C MINIMUM HEAD |
| METALLIC HARDNESS RATING AND LOCATION | 30.0 ROCKWELL C MINIMUM STEM |
| METALLIC HARDNESS RATING AND LOCATION | 40.0 ROCKWELL C MAXIMUM HEAD |
| METALLIC HARDNESS RATING AND LOCATION | 40.0 ROCKWELL C MAXIMUM STEM |
| METALLIC HARDNESS RATING AND LOCATION | 50.0 ROCKWELL C MINIMUM TIP |
| MINOR DIAMETER LENGTH | 0.1900 INCHES NOMINAL |
| MINOR OUTSIDE DIAMETER | 0.3380 INCHES MINIMUM AND 0.3420 INCHES MAXIMUM |
| NECK RADIUS | 0.6200 INCHES NOMINAL |
| SEAT ANGLE IN DEG | 45.0 |
| STEM DIAMETER | 0.4970 INCHES MINIMUM AND 0.4980 INCHES MAXIMUM |
| STEM LENGTH | 6.3660 INCHES MINIMUM AND 6.4050 INCHES MAXIMUM |
| STEM STYLE | TAPERED |
| TAPER ANGLE IN DEG | 15.0 |