| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | PLAIN, SOLID |
| BORE STYLE | INVOLUTE SPLINE BOTH ENDS |
| BORE NOMINAL DIAMETER | 0.625 INCHES BOTH ENDS |
| COUNTERBORE NOMINAL DEPTH | 0.910 INCHES BOTH ENDS |
| COUNTERBORE NOMINAL DIAMETER | 0.715 INCHES BOTH ENDS |
| FACE NOMINAL WIDTH | 0.500 INCHES |
| HARDNESS RATING | 60.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM TEETH |
| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM HUB |
| HUB NOMINAL DIAMETER | 0.985 INCHES FIRST END |
| HUB STYLE DESIGNATOR | PLAIN FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP E9310 OVERALL |
| MOUNTING HOLE NOMINAL DIAMETER | 0.144 INCHES AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 2 PLAIN AXIALLY THROUGH BODY, FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.125 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 4.002 INCHES |
| NOMINAL OVERALL LENGTH | 1.938 INCHES |
| PITCH ANGLE | 45.0000 DEGREES |
| PITCH DIAMETER | 3.8860 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| SPECIAL FEATURES | HUB EXTERNALLY THREADED,THREAD DIAMETER 0.938 INCH,THREAD SERIES DESIGNATOR UNEF,THREAD QUANTITY 20 PER INCH |
| SPLINE PITCH DIAMETER | 0.6000 INCHES NOMINAL BOTH ENDS |
| SPLINE QUANTITY | 12 BOTH ENDS |
| STYLE DESIGNATOR | PERIPHERAL FACE, PROTRUDING HUBS |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2485 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | OXIDE OVERALL |
| TEETH QUANTITY | 40 |
| TEETH TYPE | SPIRAL |
| TOOTH DIRECTION | RIGHT |