| ANGLE BETWEEN EXTERNAL KEYS | 88.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM |
| DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.790 INCHES MINIMUM AND 0.800 INCHES MAXIMUM |
| EXTERNAL PREBENT KEY ANGLE | 15.0 DEGREES NOMINAL |
| EXTERNAL PREBENT KEY LENGTH | 0.150 INCHES MINIMUM AND 0.160 INCHES MAXIMUM |
| EXTERNAL PREBENT KEY WIDTH | 0.260 INCHES MINIMUM AND 0.265 INCHES MAXIMUM |
| EXTERNAL TAPERED KEY WIDTH | 0.600 INCHES MINIMUM AND 0.610 INCHES MAXIMUM |
| HOLE DIAMETER | 0.890 INCHES MINIMUM AND 0.895 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.032 INCHES MINIMUM AND 0.040 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 1.245 INCHES MINIMUM AND 1.255 INCHES MAXIMUM |
| STYLE DESIGNATOR | 270 DEGREE LOCKING KEY |