| DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.220 INCHES MINIMUM AND 0.230 INCHES MAXIMUM |
| ANGLE BETWEEN EXTERNAL KEYS | 60.0 DEGREES NOMINAL |
| EXTERNAL KEY QUANTITY | 3 |
| EXTERNAL PREBENT KEY ANGLE | 15.0 DEGREES NOMINAL |
| EXTERNAL PREBENT KEY LENGTH | 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM |
| EXTERNAL PREBENT KEY WIDTH | 0.110 INCHES MINIMUM AND 0.115 INCHES MAXIMUM |
| EXTERNAL TAPERED KEY WIDTH | 0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM |
| HOLE DIAMETER | 0.193 INCHES MINIMUM AND 0.196 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | BS S521 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.022 INCHES NOMINAL |
| III MATERIAL | STEEL OVERALL |
| OUTSIDE DIAMETER | 0.320 INCHES MAXIMUM AND 0.330 INCHES MAXIMUM |
| STYLE DESIGNATOR | 270 DEGREE LOCKING KEY |