| MATERIAL | STEEL OVERALL | 
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-13046 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | 
| HARDNESS RATING | 58.0 ROCKWELL C MINIMUM AND | 
|  | 62.0 ROCKWELL C MAXIMUM OVERALL | 
| TEETH QUANTITY | 80 | 
| TEETH TYPE | SINGLE HELIX | 
| TOOTH FORM | STUB | 
| TOOTH DIRECTION | LEFT | 
| PRESSURE ANGLE | 20.0000 DEGREES | 
| HELIX ANGLE | 17.9386 DEGREES | 
| STYLE DESIGNATOR | PROTRUDING HUBS | 
| PITCH DIAMETER | 7.0073 INCHES NOMINAL | 
| NOMINAL OVERALL LENGTH | 3.484 INCHES | 
| NOMINAL OUTSIDE DIAMETER | 7.145 INCHES | 
| FACE NOMINAL WIDTH | 1.000 INCHES | 
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 1.473 INCHES FIRST END | 
|  | 1.011 INCHES SECOND END | 
| BORE STYLE | INVOLUTE SPLINE BOTH ENDS | 
| BORE NOMINAL DIAMETER | 1.305 INCHES BOTH ENDS | 
| SPLINE QUANTITY | 14 BOTH ENDS | 
| SPLINE PITCH DIAMETER | 1.4000 INCHES NOMINAL BOTH ENDS | 
| COUNTERBORE NOMINAL DEPTH | 1.594 INCHES FIRST END | 
| COUNTERBORE NOMINAL DIAMETER | 1.626 INCHES FIRST END | 
| HUB STYLE DESIGNATOR | 2 STEPS FIRST END | 
|  | 1 STEP SECOND END | 
| END NOMINAL LENGTH | 1.473 INCHES FIRST END | 
|  | 1.011 INCHES SECOND END | 
| END NOMINAL DIAMETER | 1.879 INCHES FIRST END | 
|  | 2.001 INCHES SECOND END | 
| FIRST STEP NOMINAL LENGTH | 0.687 INCHES FIRST END | 
|  | 0.381 INCHES SECOND END | 
| FIRST STEP NOMINAL DIAMETER | 1.995 INCHES FIRST END | 
|  | 2.468 INCHES SECOND END | 
| SECOND STEP NOMINAL LENGTH | 0.223 INCHES FIRST END | 
| SECOND STEP NOMINAL DIAMETER | 2.468 INCHES FIRST END | 
| BODY STYLE | WEBBED, SOLID | 
| MOUNTING HOLE NOMINAL DIAMETER | 0.187 INCHES TRANSVERSELY THROUGH HUB, FIRST END | 
| THE MANUFACTURERS DATA |  | 
| MANUFACTURERS CODE | 19207 | 
| DESIGN CONTROL REFERENCE | 10866163 |