| EXTERNAL PREBENT KEY WIDTH | 0.204 INCHES MINIMUM AND 0.234 INCHES MAXIMUM |
| EXTERNAL KEY QUANTITY | 19 |
| HOLE DIAMETER | 2.588 INCHES MINIMUM AND 2.613 INCHES MAXIMUM |
| INTERNAL PREBENT KEY LENGTH | 0.125 INCHES MINIMUM AND 0.187 INCHES MAXIMUM |
| INTERNAL PREBENT KEY WIDTH | 0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 3.062 INCHES MINIMUM AND 3.092 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 3.578 INCHES NOMINAL |
| MATERIAL THICKNESS | 1.063 INCHES NOMINAL |
| MATERIAL | STEEL OVERALL |
| STYLE DESIGNATOR | KEY |
| SURFACE TREATMENT | CADMIUM OR ZINC OR CHROMATE OVERALL |