| DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.599 INCHES MINIMUM AND 0.619 INCHES MAXIMUM |
| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.383 INCHES NOMINAL |
| EXTERNAL KEY QUANTITY | 1 |
| EXTERNAL PREBENT KEY LENGTH | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
| EXTERNAL PREBENT KEY WIDTH | 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM |
| HOLE DIAMETER | 0.630 INCHES MINIMUM AND 0.650 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.301 INCHES MINIMUM AND 0.303 INCHES MAXIMUM |
| MATERIAL | COPPER ALLOY OVERALL |
| OVERALL DISTANCE INCLUDING KEYS | 1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM |