| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY RECESS NOMINAL DEPTH | 0.171 INCHES SECOND END |
| BODY STYLE | WEBBED, SOLID |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 3.375 INCHES AXIALLY THROUGH HUB, FIRST END |
| BORE STYLE | W/ KEYWAY BOTH ENDS |
| BORE NOMINAL DIAMETER | 0.501 INCHES BOTH ENDS |
| COUNTERBORE NOMINAL DIAMETER | 2.234 INCHES SECOND END |
| COUNTERBORE NOMINAL DEPTH | 0.146 INCHES SECOND END |
| END NOMINAL DIAMETER | 0.750 INCHES FIRST END |
| END NOMINAL LENGTH | 0.531 INCHES FIRST END |
| FACE NOMINAL WIDTH | 0.594 INCHES |
| FIRST STEP NOMINAL DIAMETER | 4.062 INCHES FIRST END |
| FIRST STEP NOMINAL LENGTH | 0.122 INCHES FIRST END |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| HUB STYLE DESIGNATOR | 1 STEP FIRST END |
| KEYWAY NOMINAL WIDTH | 0.096 INCHES BOTH ENDS |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-13048 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| MOUNTING HOLE NOMINAL DIAMETER | 0.391 INCHES AXIALLY THROUGH HUB, FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 3 PLAIN TRANSVERSELY THROUGH HUB, FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.653 INCHES FIRST END |
| NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 0.298 INCHES BOTH ENDS |
| NOMINAL OUTSIDE DIAMETER | 7.309 INCHES |
| NOMINAL OVERALL LENGTH | 1.245 INCHES |
| PITCH DIAMETER | 7.1875 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUB, RECESSED BODY |
| TEETH QUANTITY | 115 |
| TOOTH FORM | STANDARD |