| DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.650 INCHES MINIMUM AND 0.660 INCHES MAXIMUM |
| EXTERNAL KEY QUANTITY | 1 |
| EXTERNAL PREBENT KEY LENGTH | 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM |
| EXTERNAL PREBENT KEY WIDTH | 0.700 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| HOLE DIAMETER | 0.940 INCHES MINIMUM AND 0.950 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | STEEL ROYAL ORDNANCE PLC DD/TS/0221/90 GROUP 11 MFR REF SINGLE MATERIAL RESPONSE |
| MATERIAL THICKNESS | 0.049 INCHES NOMINAL |
| III MATERIAL | STEEL |
| OUTSIDE DIAMETER | 1.470 INCHES MINIMUM AND 1.490 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 1.545 INCHES NOMINAL |
| STYLE DESIGNATOR | KEY |