| BORE DIAMETER | 6.362 MILLIMETERS MINIMUM AND 6.398 MILLIMETERS MAXIMUM |
| COUNTERBORE DIAMETER | 15.630 MILLIMETERS MINIMUM AND 16.130 MILLIMETERS MAXIMUM |
| COUNTERBORE LENGTH | 0.850 MILLIMETERS MINIMUM AND 1.110 MILLIMETERS MAXIMUM |
| FIRST STEP DIAMETER | 43.870 MILLIMETERS MINIMUM AND 44.130 MILLIMETERS MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | 1E303, CATERPILLAR TRACTOR CO MFR REF SINGLE MATERIAL RESPONSE |
| MATERIAL HARDNESS RATING | 68.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 73.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM |
| MATERIAL | STEEL COMP 1215 |
| PROPRIETARY CHARACTERISTICS | PACS |
| OVERALL HEIGHT | 21.200 MILLIMETERS MINIMUM AND 21.700 MILLIMETERS MAXIMUM |
| RIDGE HEIGHT | 8.100 MILLIMETERS NOMINAL |
| STYLE DESIGNATOR | SEAT |
| DESIGN TYPE | SOLID |
| DISTANCE FROM CENTER TO BEGINNING OF RIDGE | 20.650 MILLIMETERS NOMINAL |
| DISTANCE FROM END TO FIRST STEP | 19.550 MILLIMETERS NOMINAL |
| END DIAMETER | 10.600 MILLIMETERS MINIMUM AND 11.400 MILLIMETERS MAXIMUM |