| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 1.737 INCHES MINIMUM AND 1.742 INCHES MAXIMUM |
| EXTERNAL STRAIGHT KEY WIDTH | 0.280 INCHES MINIMUM AND 0.290 INCHES MAXIMUM |
| EXTERNAL KEY QUANTITY | 3 |
| HOLE DIAMETER | 3.630 INCHES MINIMUM AND 3.650 INCHES MAXIMUM |
| INTERNAL KEY QUANTITY | 3 |
| INTERNAL STRAIGHT KEY WIDTH | 0.230 INCHES MINIMUM AND 0.240 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM |
| MATERIAL | STEEL OVERALL |
| OUTSIDE DIAMETER | 3.970 INCHES MINIMUM AND 3.990 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 4.235 INCHES MINIMUM AND 4.245 INCHES MAXIMUM |
| STYLE DESIGNATOR | KEY |