| DISTANCE BETWEEN FIRST AND SECOND RIDGE CENTERS | 0.155 INCHES MINIMUM AND 0.157 INCHES MAXIMUM |
| DISTANCE FROM BOTTOM TO FIRST RIDGE CENTER | 0.189 INCHES MINIMUM AND 0.193 INCHES MAXIMUM |
| CASEHARDENING INDICATOR | NOT CASEHARDENED |
| FIRST RIDGE RADIUS | 0.027 INCHES MINIMUM AND 0.029 INCHES MAXIMUM |
| FIRST RIDGE WIDTH | 0.054 INCHES NOMINAL |
| LARGEST INSIDE DIAMETER | 0.370 INCHES MINIMUM AND 0.374 INCHES MAXIMUM |
| LARGEST OUTSIDE DIAMETER | 0.530 INCHES MINIMUM AND 0.534 INCHES MAXIMUM |
| MATERIAL | STEEL |
| III FSC APPLICATION DATA | STARTER,ENGINE,GASOLINE,NONAIRCRAFT |
| PROPRIETARY CHARACTERISTICS | PACS |
| MINIMUM INSIDE DIAMETER | 0.316 INCHES |
| OUTSIDE INCLUDED ANGLE IN DEG | 14.0 |
| OVERALL HEIGHT | 0.375 INCHES NOMINAL |
| SECOND RIDGE RADIUS | 0.027 INCHES MINIMUM AND 0.029 INCHES MAXIMUM |
| SECOND RIDGE WIDTH | 0.054 INCHES MINIMUM AND 0.058 INCHES MAXIMUM |
| STYLE DESIGNATOR | STRAIGHT BORE W/TWO RIDGES-LOWER OUTSIDE RADIUS |
| THREAD PROVISION | UNTHREADED |