| MATERIAL AND LOCATION | BRONZE, STEEL BACKED, NO. IE419, CATERPILLAR TRACTOR CO OVERALL |
| METALLIC HARDNESS RATING AND LOCATION | 50.0 ROCKWELL SUPERFICIAL 30-N MINIMUM HEAD |
| 57.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM HEAD |
| 50.0 ROCKWELL SUPERFICIAL 30-N MINIMUM STEM |
| 57.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM STEM |
| 67.0 ROCKWELL SUPERFICIAL 30-N MINIMUM TIP |
| HEAD STYLE | FLAT |
| HEAD HEIGHT | 0.3000 INCHES MINIMUM AND |
| 0.3150 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 2.3700 INCHES MINIMUM AND |
| 2.3800 INCHES MAXIMUM |
| NECK RADIUS | 0.7500 INCHES NOMINAL |
| SEAT ANGLE IN DEG | 45.7 |
| GROOVE DIAMETER | 0.4618 INCHES MINIMUM AND |
| 0.4628 INCHES MAXIMUM |
| CHAMFER LENGTH | 0.0312 INCHES NOMINAL |
| GROOVE WIDTH | 0.0312 INCHES NOMINAL |
| MINOR OUTSIDE DIAMETER | 0.3740 INCHES MINIMUM AND |
| 0.3780 INCHES MAXIMUM |
| STEM LENGTH | 8.6694 INCHES MINIMUM AND |
| 8.6844 INCHES MAXIMUM |
| STEM DIAMETER | 0.4930 INCHES MINIMUM AND |
| 0.4940 INCHES MAXIMUM |
| DISTANCE FROM GROOVE TO STEM END | 0.0938 INCHES NOMINAL |
| CHAMFER ANGLE IN DEG | 45.0 |
| TAPER ANGLE IN DEG | 11.7 |
| CARBON RELIEF GROOVE | NOT INCLUDED |
| FSC APPLICATION DATA | DIESEL ENGINE |