| BODY STYLE | PLAIN, SOLID | 
| BORE NOMINAL DEPTH | 2.375 INCHES BOTH ENDS | 
| BORE NOMINAL DIAMETER | 1.335 INCHES BOTH ENDS | 
| BORE STYLE | INVOLUTE SPLINE BOTH ENDS | 
| COUNTERBORE NOMINAL DIAMETER | 1.210 INCHES BOTH ENDS | 
| COUNTERBORE NOMINAL DIAMETER | 1.210 INCHES FIRST END | 
| COUNTERBORE NOMINAL DEPTH | 0.687 INCHES FIRST END | 
| COUNTERBORE NOMINAL DEPTH | 0.812 INCHES BOTH ENDS | 
| END NOMINAL DIAMETER | 1.622 INCHES FIRST END | 
| FACE NOMINAL WIDTH | 0.620 INCHES | 
| FIRST GROOVE NOMINAL DIAMETER | 1.440 INCHES FIRST END | 
| FIRST GROOVE NOMINAL WIDTH | 0.180 INCHES FIRST END | 
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM  AND 34.0 ROCKWELL C MAXIMUM BODY | 
| HARDNESS RATING | 58.0 ROCKWELL C MINIMUM  AND 62.0 ROCKWELL C MAXIMUM TEETH | 
| HUB STYLE DESIGNATOR | 1 GROOVE FIRST END | 
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-13048 FS 8615,FS 8620,FS 8720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | 
| PITCH DIAMETER | 3.1250 INCHES NOMINAL | 
| PITCH ANGLE | 49.9698 DEGREES | 
| MATERIAL | STEEL OVERALL | 
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.960 INCHES SECOND END | 
| NOMINAL OVERALL LENGTH | 2.375 INCHES | 
| NOMINAL OUTSIDE DIAMETER | 3.2356 INCHES | 
| PRESSURE ANGLE | 20.0000 DEGREES | 
| SPLINE PITCH DIAMETER | 1.2500 INCHES NOMINAL BOTH ENDS | 
| SPLINE QUANTITY | 25 BOTH ENDS | 
| STYLE DESIGNATOR | PERIPHERAL FACE, BACK HUB PROTRUDING | 
| TEETH QUANTITY | 25 | 
| TEETH TYPE | STRAIGHT | 
| SPECIAL FEATURES | SPLINE MINOR DIA 1.210 IN. NOM; TOOTH PRESSURE ANGLE 30.0 DEG |