| COUNTERBORE DEPTH | 0.605 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| COUNTERBORE DIAMETER | 0.781 INCHES MINIMUM AND 0.812 INCHES MAXIMUM |
| CRITICALITY CODE JUSTIFICATION | ABMK |
| DISTANCE FROM MOUNTING HOLE CENTER TO END | 1.265 INCHES MINIMUM AND 1.281 INCHES MAXIMUM |
| FIRST FLAT LENGTH | 2.574 INCHES MINIMUM AND 2.575 INCHES MAXIMUM |
| FLAT HEIGHT | 0.980 INCHES MINIMUM AND 1.000 INCHES MAXIMUM |
| KEY CHAMFER ANGLE | 45.0 DEGREES NOMINAL |
| KEY CHAMFER LENGTH | 0.150 INCHES MINIMUM AND 0.180 INCHES MAXIMUM |
| MOUNTING HOLE DEPTH | 0.980 INCHES MINIMUM AND 1.000 INCHES MAXIMUM |
| MOUNTING HOLE DIAMETER | 0.516 INCHES MINIMUM AND 0.532 INCHES MAXIMUM |
| MOUNTING HOLE TYPE AND QUANTITY | 1 UNTHREADED-COUNTERBORED |
| OVERALL HEIGHT | 1.484 INCHES MINIMUM AND 1.500 INCHES MAXIMUM |
| OVERALL LENGTH | 2.875 INCHES NOMINAL |
| OVERALL WIDTH | 1.246 INCHES MINIMUM AND 1.248 INCHES MAXIMUM |
| SPECIAL FEATURES | MOUNTING HOLE 0.516 IN. MIN.,0.532 IN. MAX.,W1/0/688 IN. COUNTERBORE SPACED 0.531 IN. C TO C OF FIRST NOUNTING HOLE AND CENTERED 0.734 IN. MIN.,0.750 IN. MAX FROM END AND CORNERS OF SECOND FLAT HAVE 0.040 IN. MIN.,0.050 IN. MAX RADIUS |
| STARTING EDGE SHAPE | CHAMFERED |
| STYLE DESIGNATOR | STEPPED |