| BODY STYLE | PLAIN, SOLID |
| BORE STYLE | INVOLUTE SPLINE BOTH ENDS |
| BORE NOMINAL DIAMETER | 0.168 INCHES BOTH ENDS |
| COUNTERBORE NOMINAL DEPTH | 0.349 INCHES FIRST END |
| COUNTERBORE NOMINAL DIAMETER | 0.192 INCHES FIRST END |
| END NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS |
| END NOMINAL LENGTH | 0.125 INCHES FIRST END |
| END NOMINAL LENGTH | 0.125 INCHES SECOND END |
| FACE NOMINAL WIDTH | 0.096 INCHES |
| FIRST STEP NOMINAL DIAMETER | 0.281 INCHES BOTH ENDS |
| FIRST STEP NOMINAL LENGTH | 0.010 INCHES SECOND END |
| FIRST STEP NOMINAL LENGTH | 0.149 INCHES FIRST END |
| HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| HUB STYLE DESIGNATOR | 1 STEP BOTH ENDS |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,TYPE 416,COND T FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 416 OVERALL |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.135 INCHES SECOND END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.274 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 0.343 INCHES |
| NOMINAL OVERALL LENGTH | 0.505 INCHES |
| PITCH DIAMETER | 0.3233 INCHES MINIMUM AND 0.3240 INCHES MAXIMUM |
| PRECISION CLASSIFICATION | QUALITY NUMBER 12 |
| PRESSURE ANGLE | 14.5000 DEGREES |
| SPLINE PITCH DIAMETER | 0.1667 INCHES NOMINAL BOTH ENDS |
| SPLINE QUANTITY | 8 BOTH ENDS |
| STYLE DESIGNATOR | PROTRUDING HUBS |
| TEETH QUANTITY | 20 |
| TOOTH FORM | STANDARD |