| DISTANCE FROM GROOVE TO STEM END | 0.1750 INCHES MINIMUM AND 0.2000 INCHES MAXIMUM |
| CARBON RELIEF GROOVE | NOT INCLUDED |
| CHAMFER LENGTH | 0.0312 INCHES NOMINAL |
| CHAMFER ANGLE IN DEG | 45.0 |
| FSC APPLICATION DATA | DIESEL ENGINE |
| GROOVE DIAMETER | 0.3290 INCHES MINIMUM AND 0.3590 INCHES MAXIMUM |
| GROOVE WIDTH | 0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM |
| HEAD HEIGHT | 0.1970 INCHES MINIMUM AND 0.2070 INCHES MAXIMUM |
| HEAD STYLE | FLAT |
| OUTSIDE DIAMETER | 1.6825 INCHES MINIMUM AND 1.6925 INCHES MAXIMUM |
| MATERIAL AND LOCATION | STEEL, FED STD 66, SAE EV4 HEAD |
| MATERIAL AND LOCATION | STEEL, NO. 731, HERCULES ENGINE DIV OF HUPP CORP STEM |
| METALLIC HARDNESS RATING AND LOCATION | 60.0 SHORE SCLEROSCOPE MINIMUM TIP |
| NECK RADIUS | 0.5625 INCHES NOMINAL |
| SEAT ANGLE IN DEG | 45.0 |
| STEM DIAMETER | 0.3725 INCHES MINIMUM AND 0.3735 INCHES MAXIMUM |
| STEM LENGTH | 5.1300 INCHES MINIMUM AND 5.1610 INCHES MAXIMUM |
| STEM STYLE | GROOVED |