| BODY STYLE | WEBBED, SOLID | 
| BORE NOMINAL DIAMETER | 1.308 INCHES BOTH ENDS | 
| BORE STYLE | INVOLUTE SPLINE BOTH ENDS | 
| COUNTERBORE NOMINAL DIAMETER | 1.626 INCHES FIRST END | 
| COUNTERBORE NOMINAL DEPTH | 1.313 INCHES FIRST END | 
| END NOMINAL DIAMETER | 1.875 INCHES FIRST END | 
| END NOMINAL LENGTH | 0.624 INCHES FIRST END | 
| FACE NOMINAL WIDTH | 1.125 INCHES | 
| FIRST STEP NOMINAL DIAMETER | 2.001 INCHES FIRST END | 
| FIRST STEP NOMINAL LENGTH | 0.688 INCHES FIRST END | 
| HARDNESS RATING | 61.5 ROCKWELL A MINIMUM  AND 83.0 ROCKWELL A MAXIMUM OVERALL | 
| HELIX ANGLE | 17.9352 DEGREES | 
| HUB STYLE DESIGNATOR | 2 STEPS FIRST END | 
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL | 
| PITCH DIAMETER | 6.1314 INCHES NOMINAL | 
| MATERIAL | STEEL COMP 8615 OVERALL | 
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 1.640 INCHES FIRST END | 
| NOMINAL OVERALL LENGTH | 4.000 INCHES | 
| NOMINAL OUTSIDE DIAMETER | 6.269 INCHES | 
| PRESSURE ANGLE | 20.0000 DEGREES | 
| SECOND STEP NOMINAL DIAMETER | 2.438 INCHES FIRST END | 
| SECOND STEP NOMINAL LENGTH | 0.328 INCHES FIRST END | 
| SPLINE PITCH DIAMETER | 1.4000 INCHES NOMINAL BOTH ENDS | 
| SPLINE QUANTITY | 14 BOTH ENDS | 
| STYLE DESIGNATOR | PROTRUDING HUBS | 
| TEETH QUANTITY | 70 | 
| TEETH TYPE | SINGLE HELIX | 
| TOOTH DIRECTION | RIGHT | 
| TOOTH FORM | STUB |