| CHAMFER LENGTH | 0.0312 INCHES NOMINAL |
| FSC APPLICATION DATA | DIESEL ENGINE |
| GROOVE DIAMETER | 0.3290 INCHES MINIMUM AND 0.3350 INCHES MAXIMUM |
| GROOVE WIDTH | 0.1320 INCHES MINIMUM AND 0.1420 INCHES MAXIMUM |
| HEAD HEIGHT | 0.1970 INCHES MINIMUM AND 0.2070 INCHES MAXIMUM |
| HEAD STYLE | FLAT |
| III MATERIAL AND LOCATION | STEEL, MS-39, TRW MECHANICAL PRODUCTS DIV OVERALL |
| PROPRIETARY CHARACTERISTICS | PACS |
| METALLIC HARDNESS RATING AND LOCATION | 43.0 ROCKWELL C MINIMUM TIP |
| NECK RADIUS | 0.5625 INCHES NOMINAL |
| OUTSIDE DIAMETER | 1.8700 INCHES MINIMUM AND 1.8800 INCHES MAXIMUM |
| SEAT ANGLE IN DEG | 45.0 |
| STEM DIAMETER | 0.4015 INCHES MINIMUM AND 0.4025 INCHES MAXIMUM |
| STEM LENGTH | 7.5160 INCHES MINIMUM AND 7.5430 INCHES MAXIMUM |
| STEM STYLE | GROOVED |
| DISTANCE FROM GROOVE TO STEM END | 0.2970 INCHES MINIMUM AND 0.3330 INCHES MAXIMUM |
| CARBON RELIEF GROOVE | NOT INCLUDED |
| CHAMFER ANGLE IN DEG | 45.0 |