| DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.325 INCHES MINIMUM AND 0.335 INCHES MAXIMUM |
| ANGLE BETWEEN EXTERNAL KEYS | 58.0 DEGREES MINIMUM AND 62.0 DEGREES MAXIMUM |
| EXTERNAL KEY QUANTITY | 3 |
| EXTERNAL PREBENT KEY ANGLE | 15.0 DEGREES NOMINAL |
| EXTERNAL PREBENT KEY LENGTH | 0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
| EXTERNAL PREBENT KEY WIDTH | 0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM |
| EXTERNAL TAPERED KEY WIDTH | 0.300 INCHES MINIMUM AND 0.310 INCHES MAXIMUM |
| HOLE DIAMETER | 0.320 INCHES MINIMUM AND 0.325 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | BSI BS1449 CSA4BR NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL THICKNESS | 0.036 INCHES NOMINAL |
| III MATERIAL | STEEL |
| OUTSIDE DIAMETER | 0.520 INCHES MINIMUM AND 0.530 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 0.791 INCHES NOMINAL |
| SPLIT KEY LENGTH | 0.165 INCHES NOMINAL |
| STYLE DESIGNATOR | KEY |
| SURFACE TREATMENT | ZINC |