| DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.655 INCHES MINIMUM AND 0.685 INCHES MAXIMUM |
| ANGLE BETWEEN EXTERNAL KEYS | 90.0 DEGREES NOMINAL |
| EXTERNAL KEY QUANTITY | 1 |
| EXTERNAL PREBENT KEY LENGTH | 0.135 INCHES MINIMUM AND 0.165 INCHES MAXIMUM |
| EXTERNAL PREBENT KEY WIDTH | 0.215 INCHES MINIMUM AND 0.245 INCHES MAXIMUM |
| EXTERNAL TAPERED KEY WIDTH | 0.560 INCHES MINIMUM AND 0.590 INCHES MAXIMUM |
| HOLE DIAMETER | 21.00 MILLIMETERS NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | BS 1449 PART 1B EN2 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.064 INCHES NOMINAL |
| III MATERIAL | STEEL OVERALL |
| OUTSIDE DIAMETER | 1.185 INCHES MINIMUM AND 1.215 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 1.546 INCHES NOMINAL |
| SPLIT KEY LENGTH | 0.219 INCHES NOMINAL |
| STYLE DESIGNATOR | KEY |