| MATERIAL AND LOCATION | STEEL, CORROSION RESISTING HEAD |
| STEEL STEM |
| HEAD STYLE | FLAT |
| HEAD HEIGHT | 0.1840 INCHES MINIMUM AND |
| 0.1940 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 1.2630 INCHES NOMINAL |
| NECK RADIUS | 0.4062 INCHES NOMINAL |
| SEAT ANGLE IN DEG | 30.0 |
| STEM STYLE | DOUBLE GROOVED |
| CHAMFER LENGTH | 0.0150 INCHES MINIMUM AND |
| 0.0300 INCHES MAXIMUM |
| MINOR OUTSIDE DIAMETER | 0.3080 INCHES NOMINAL |
| MINOR DIAMETER LENGTH | 0.7500 INCHES NOMINAL |
| STEM LENGTH | 5.8350 INCHES MINIMUM AND |
| 5.8500 INCHES MAXIMUM |
| STEM DIAMETER | 0.3410 INCHES NOMINAL |
| DISTANCE FROM FIRST GROOVE TO STEM END | 0.3320 INCHES MINIMUM AND |
| 0.3630 INCHES MAXIMUM |
| DISTANCE FROM SECOND GROOVE TO STEM END | 0.7400 INCHES MINIMUM AND |
| 0.7600 INCHES MAXIMUM |
| FIRST GROOVE DIAMETER | 0.2400 INCHES MINIMUM AND |
| 0.2460 INCHES MAXIMUM |
| SECOND GROOVE DIAMETER | 0.2400 INCHES MINIMUM AND |
| 0.4060 INCHES MAXIMUM |
| FIRST GROOVE WIDTH | 0.0625 INCHES NOMINAL |
| SECOND GROOVE WIDTH | 0.0625 INCHES NOMINAL |
| CHAMFER ANGLE IN DEG | 45.0 |
| CARBON RELIEF GROOVE | NOT INCLUDED |
| SPECIAL FEATURES | USED ON CUMMING DIESEL ENGINES;MDL JN,JNS,JT |