| COUNTERBORE DEPTH | 0.312 INCHES NOMINAL |
| COUNTERBORE DIAMETER | 0.438 INCHES NOMINAL |
| CRITICALITY CODE JUSTIFICATION | ABMK AND ABKW |
| DISTANCE FROM MOUNTING HOLE CENTER TO END | 0.906 INCHES NOMINAL |
| HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| KEY CHAMFER ANGLE | 45.0 DEGREES NOMINAL |
| KEY CHAMFER LENGTH | 0.062 INCHES NOMINAL |
| MATERIAL | STEEL COMP 4140 AND STEEL COMP 5140 AND STEEL COMP 8640 OVERALL |
| MOUNTING HOLE DEPTH | 0.745 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| MOUNTING HOLE DIAMETER | 0.272 INCHES MINIMUM AND 0.277 INCHES MAXIMUM |
| MOUNTING HOLE TYPE AND QUANTITY | 1 UNTHREADED-COUNTERBORED |
| OVERALL HEIGHT | 0.745 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| OVERALL LENGTH | 1.796 INCHES MINIMUM AND 1.812 INCHES MAXIMUM |
| OVERALL WIDTH | 0.9985 INCHES MINIMUM AND 0.9990 INCHES MAXIMUM |
| STARTING EDGE SHAPE | CHAMFERED |
| STYLE DESIGNATOR | PLAIN |
| SURFACE TREATMENT | PHOSPHATE ZINC OVERALL |