| DIAMETER | 0.2491 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| DISTANCE FROM CENTERLINE TO FLAT | 0.187 INCHES MINIMUM AND 0.192 INCHES MAXIMUM |
| CHAMFER LENGTH | 0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM |
| FIRST HOLE DIAMETER | 0.0669 INCHES MINIMUM AND 0.0739 INCHES MAXIMUM |
| HEAD STYLE | DEE |
| HEIGHT | 0.070 INCHES MINIMUM AND 0.090 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ROLLS ROYCE LTD MSRR6522 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| PIN HEAD DIAMETER | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| PIN CHAMFER ANGLE | 43.0 DEGREES MINIMUM AND 47.0 DEGREES MAXIMUM |
| SPECIAL FEATURES | EFFECTIVE LG 0.365 IN.; GRIP LG 0.396 IN. MIN AND 0.404 IN. MAX |
| STYLE DESIGNATOR | STRAIGHT |
| SURFACE FINISH | 8.0 MICROINCHES LONG SHANK |
| SURFACE FINISH | 125.0 MICROINCHES HEAD OUTSIDE DIAMETER |
| UNDER HEAD LENGTH | 0.480 INCHES MINIMUM AND 0.490 INCHES MAXIMUM |