| DISTANCE FROM GROOVE TO STEM END | 0.2500 INCHES NOMINAL |
| CARBON RELIEF GROOVE | NOT INCLUDED |
| CHAMFER ANGLE IN DEG | 45.0 |
| CHAMFER LENGTH | 0.0312 INCHES NOMINAL |
| FSC APPLICATION DATA | DIESEL ENGINE |
| GROOVE DIAMETER | 0.4950 INCHES MINIMUM AND 0.4990 INCHES MAXIMUM |
| GROOVE WIDTH | 0.4950 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM |
| HEAD HEIGHT | 0.8120 INCHES NOMINAL |
| HEAD STYLE | FLAT |
| III MATERIAL AND LOCATION | STEEL, FED STD 66, AISI/SAE 3140 OVERALL |
| PROPRIETARY CHARACTERISTICS | PACS |
| METALLIC HARDNESS RATING AND LOCATION | 30.0 ROCKWELL C MINIMUM HEAD ERR-100 |
| METALLIC HARDNESS RATING AND LOCATION | 30.0 ROCKWELL C MINIMUM STEM ERR-100 |
| METALLIC HARDNESS RATING AND LOCATION | 38.0 ROCKWELL C MAXIMUM HEAD ERR-100 |
| METALLIC HARDNESS RATING AND LOCATION | 38.0 ROCKWELL C MAXIMUM STEM ERR-100 |
| METALLIC HARDNESS RATING AND LOCATION | 55.0 ROCKWELL C NOMINAL TIP ERR-100 |
| NECK RADIUS | 0.7500 INCHES NOMINAL |
| OUTSIDE DIAMETER | 3.2500 INCHES NOMINAL |
| SEAT ANGLE IN DEG | 45.0 |
| STEM DIAMETER | 0.6200 INCHES MINIMUM AND 0.6210 INCHES MAXIMUM |
| STEM LENGTH | 9.8750 INCHES NOMINAL |
| STEM STYLE | GROOVED |