| DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.641 INCHES MINIMUM AND 0.671 INCHES MAXIMUM |
| EXTERNAL PREBENT KEY LENGTH | 0.250 INCHES NOMINAL |
| EXTERNAL PREBENT KEY WIDTH | 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM |
| EXTERNAL STRAIGHT KEY WIDTH | 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM |
| HOLE DIAMETER | 0.891 INCHES MINIMUM AND 0.921 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.047 INCHES MINIMUM AND 0.077 INCHES MAXIMUM |
| III MATERIAL | STEEL CORROSION RESISTING |
| OUTSIDE DIAMETER | 1.297 INCHES MINIMUM AND 1.327 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 1.718 INCHES NOMINAL |
| STYLE DESIGNATOR | KEY |