| ANGLE BETWEEN EXTERNAL KEYS | 60.0 DEGREES NOMINAL |
| EXTERNAL KEY QUANTITY | 3 |
| EXTERNAL PREBENT KEY ANGLE | 15.0 DEGREES NOMINAL |
| EXTERNAL PREBENT KEY LENGTH | 0.100 INCHES NOMINAL |
| EXTERNAL PREBENT KEY WIDTH | 0.110 INCHES NOMINAL |
| EXTERNAL TAPERED KEY WIDTH | 0.250 INCHES NOMINAL |
| HOLE DIAMETER | 0.255 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | BS S511 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.036 INCHES NOMINAL |
| III MATERIAL | STEEL OVERALL |
| OUTSIDE DIAMETER | 0.440 INCHES MINIMUM AND 0.450 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 0.656 INCHES NOMINAL |
| SPLIT KEY LENGTH | 0.130 INCHES NOMINAL |
| STYLE DESIGNATOR | KEY |
| DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.270 INCHES NOMINAL |