| BODY STYLE | WEBBED, WITH LIGHTENING HOLES |
| BORE STYLE | INVOLUTE SPLINE BOTH ENDS |
| BORE NOMINAL DIAMETER | 0.695 INCHES BOTH ENDS |
| END NOMINAL DIAMETER | 0.985 INCHES FIRST END |
| END NOMINAL DIAMETER | 1.378 INCHES SECOND END |
| END NOMINAL LENGTH | 0.500 INCHES FIRST END |
| END NOMINAL LENGTH | 0.690 INCHES SECOND END |
| FACE NOMINAL WIDTH | 0.400 INCHES |
| FIRST STEP NOMINAL LENGTH | 1.376 INCHES FIRST END |
| FIRST STEP NOMINAL DIAMETER | 1.105 INCHES FIRST END |
| FIRST STEP NOMINAL DIAMETER | 1.535 INCHES SECOND END |
| FIRST STEP NOMINAL LENGTH | 0.848 INCHES SECOND END |
| HARDNESS RATING | 90.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 91.5 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL |
| HUB STYLE DESIGNATOR | 1 STEP BOTH ENDS |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6265 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP E9310 OVERALL |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 1.538 INCHES SECOND END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 1.876 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 4.498 INCHES |
| PITCH DIAMETER | 4.3333 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| SPLINE PITCH DIAMETER | 0.6000 INCHES NOMINAL BOTH ENDS |
| SPLINE QUANTITY | 12 BOTH ENDS |
| STYLE DESIGNATOR | PROTRUDING HUBS |
| SURFACE TREATMENT | OXIDE AND CHROMATE OVERALL |
| TEETH QUANTITY | 52 |
| TOOTH FORM | STANDARD |