| DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 1.050 INCHES MINIMUM AND 1.090 INCHES MAXIMUM |
| EXTERNAL PREBENT KEY LENGTH | 0.100 INCHES MINIMUM AND 0.140 INCHES MAXIMUM |
| EXTERNAL PREBENT KEY WIDTH | 0.820 INCHES MINIMUM AND 0.860 INCHES MAXIMUM |
| HOLE DIAMETER | 1.190 INCHES MINIMUM AND 1.200 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.041 INCHES MINIMUM AND 0.053 INCHES MAXIMUM |
| MATERIAL | STEEL OVERALL |
| OUTSIDE DIAMETER | 1.360 INCHES MINIMUM AND 1.380 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 1.808 INCHES NOMINAL |
| STYLE DESIGNATOR | KEY |