| CASEHARDENING INDICATOR | NOT CASEHARDENED |
| DISTANCE BETWEEN FIRST AND SECOND GROOVE CENTERS | 0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM |
| DISTANCE FROM BOTTOM TO FIRST GROOVE CENTER | 0.182 INCHES NOMINAL |
| FIRST GROOVE WIDTH | 0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM |
| LARGEST INSIDE DIAMETER | 0.497 INCHES NOMINAL |
| LARGEST OUTSIDE DIAMETER | 7.500 INCHES NOMINAL |
| LARGEST OUTSIDE WIDTH | 0.175 INCHES MINIMUM AND 0.200 INCHES MAXIMUM |
| OUTSIDE INCLUDED ANGLE IN DEG | 7.0 |
| OVERALL HEIGHT | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| MATERIAL | STEEL |
| MINIMUM INSIDE DIAMETER | 0.493 INCHES |
| SECOND GROOVE WIDTH | 0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM |
| STYLE DESIGNATOR | STRAIGHT BORE W/TWO GROOVES-LOWER OUTSIDE RADIUS |
| THREAD PROVISION | UNTHREADED |