| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.203 INCHES NOMINAL |
| EXTERNAL PREBENT KEY LENGTH | 0.078 INCHES MINIMUM AND 0.109 INCHES MAXIMUM |
| EXTERNAL PREBENT KEY WIDTH | 0.078 INCHES MINIMUM AND 0.109 INCHES MAXIMUM |
| HOLE DIAMETER | 0.473 INCHES MINIMUM AND 0.478 INCHES MAXIMUM |
| INTERNAL STRAIGHT KEY WIDTH | 0.060 INCHES MINIMUM AND 0.066 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.672 INCHES MINIMUM AND 0.703 INCHES MAXIMUM |