| ATTACHMENT METHOD | MOUNTING HOLE |
| BORE STYLE | SERRATED BOTH ENDS |
| END NOMINAL DIAMETER | 0.500 INCHES FIRST END |
| END NOMINAL LENGTH | 0.031 INCHES FIRST END |
| FACE NOMINAL WIDTH | 0.250 INCHES |
| FIRST STEP NOMINAL DIAMETER | 0.562 INCHES FIRST END |
| FIRST STEP NOMINAL LENGTH | 0.531 INCHES FIRST END |
| HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| HUB STYLE DESIGNATOR | 1 STEP FIRST END |
| HUB STYLE DESIGNATOR | PLAIN SECOND END |
| HUB NOMINAL DIAMETER | 0.562 INCHES SECOND END |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5610 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.062 INCHES SECOND END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.562 INCHES FIRST END |
| NOMINAL OUTSIDE RADIUS | 0.375 INCHES |
| NOMINAL OVERALL LENGTH | 0.750 INCHES |
| PITCH ANGLE | 71.5625 DEGREES |
| PITCH RADIUS | 0.3630 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| SERRATION PITCH DIAMETER | 0.3750 INCHES NOMINAL BOTH ENDS |
| STYLE DESIGNATOR | SIDE FACE, PROTRUDING HUBS |
| TEETH QUANTITY | 24 |
| TEETH TYPE | SPUR |