| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | PLAIN, SOLID |
| BORE NOMINAL DIAMETER | 0.120 INCHES BOTH ENDS |
| BORE STYLE | PLAIN BOTH ENDS |
| FACE NOMINAL WIDTH | 0.252 INCHES |
| FIRST GROOVE NOMINAL DIAMETER | 0.203 INCHES FIRST END |
| FIRST GROOVE NOMINAL WIDTH | 0.062 INCHES FIRST END |
| HARDNESS RATING | 84.0 ROCKWELL SUPERFICIAL 30-N MINIMUM TEETH |
| HUB NOMINAL DIAMETER | 0.250 INCHES FIRST END |
| HUB STYLE DESIGNATOR | 1 GROOVE FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6709 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| PITCH DIAMETER | 0.2500 INCHES NOMINAL |
| MATERIAL | STEEL UNS K24065 OVERALL |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.086 INCHES TRANSVERSELY THROUGH HUB FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 1 THREADED TRANSVERSELY THROUGH HUB FIRST END |
| NOMINAL DISTANCE FROM END TO FIRST GROOVE | 0.154 INCHES FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.216 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 0.287 INCHES |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUB |
| TEETH QUANTITY | 16 |
| TOOTH FORM | STANDARD |