| DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.406 INCHES MINIMUM AND 0.416 INCHES MAXIMUM |
| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.157 INCHES MINIMUM AND 0.163 INCHES MAXIMUM |
| EXTERNAL PREBENT KEY ANGLE | 90.000 DEGREES NOMINAL |
| EXTERNAL PREBENT KEY LENGTH | 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM |
| EXTERNAL PREBENT KEY WIDTH | 0.117 INCHES MINIMUM AND 0.123 INCHES MAXIMUM |
| HOLE DIAMETER | 0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM |
| INTERNAL STRAIGHT KEY WIDTH | 0.059 INCHES MINIMUM AND 0.061 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.031 INCHES NOMINAL |
| MATERIAL | COPPER ALLOY OVERALL |
| OUTSIDE DIAMETER | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 0.749 INCHES MINIMUM AND 0.759 INCHES MAXIMUM |
| STYLE DESIGNATOR | KEY |
| SURFACE TREATMENT | CADMIUM OVERALL |