| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | PLAIN, SOLID |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 1.880 INCHES AXIALLY THROUGH HUB, FIRST END |
| BORE STYLE | INVOLUTE SPLINE BOTH ENDS |
| BORE NOMINAL DIAMETER | 1.3677 INCHES BOTH ENDS |
| COUNTERBORE NOMINAL DIAMETER | 2.3755 INCHES BOTH ENDS |
| COUNTERBORE NOMINAL DEPTH | 0.3230 INCHES FIRST END |
| FACE NOMINAL WIDTH | 0.560 INCHES |
| HARDNESS RATING | 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM TEETH |
| HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM HUB |
| HUB STYLE DESIGNATOR | PLAIN FIRST END |
| HUB NOMINAL DIAMETER | 2.7100 INCHES FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 8620 OVERALL |
| MOUNTING HOLE NOMINAL DIAMETER | 0.343 INCHES AXIALLY THROUGH HUB, FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 6 PLAIN AXIALLY THROUGH HUB, FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.9400 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 0.1635 INCHES |
| PITCH DIAMETER | 3.0000 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| SPLINE PITCH DIAMETER | 1.2500 INCHES NOMINAL BOTH ENDS |
| SPLINE QUANTITY | 20 BOTH ENDS |
| STYLE DESIGNATOR | PROTRUDING HUB |
| TEETH QUANTITY | 30 |
| TOOTH FORM | STUB |