| EXTERNAL KEY QUANTITY | 1 |
| HOLE DIAMETER | 0.248 INCHES MINIMUM AND 0.252 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.395 INCHES MINIMUM AND 0.405 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 0.433 INCHES MINIMUM AND 0.443 INCHES MAXIMUM |
| SPECIAL FEATURES | 2 FLAT SIDES ON ID 0.204 IN. W |
| STYLE DESIGNATOR | KEY |
| EXTERNAL PREBENT KEY WIDTH | 0.058 INCHES MINIMUM AND 0.066 INCHES MAXIMUM |
| EXTERNAL PREBENT KEY LENGTH | 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
| DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.234 INCHES MINIMUM AND 0.242 INCHES MAXIMUM |