| DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.360 INCHES NOMINAL |
| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.200 INCHES MINIMUM AND 0.202 INCHES MAXIMUM |
| EXTERNAL PREBENT KEY LENGTH | 0.050 INCHES MINIMUM AND 0.055 INCHES MAXIMUM |
| EXTERNAL PREBENT KEY WIDTH | 0.109 INCHES NOMINAL |
| HOLE DIAMETER | 0.472 INCHES MINIMUM AND 0.474 INCHES MAXIMUM |
| INTERNAL STRAIGHT KEY WIDTH | 0.057 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.030 INCHES MINIMUM AND 0.033 INCHES MAXIMUM |
| MATERIAL | COPPER ALLOY OVERALL |
| OUTSIDE DIAMETER | 0.719 INCHES NOMINAL |
| OVERALL DISTANCE INCLUDING KEYS | 0.750 INCHES NOMINAL |
| STYLE DESIGNATOR | KEY |