| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | PLAIN, SOLID |
| BORE STYLE | PLAIN BOTH ENDS |
| BORE NOMINAL DIAMETER | 0.2503 INCHES BOTH ENDS |
| FACE NOMINAL WIDTH | 0.250 INCHES |
| HARDNESS RATING | 25.0 ROCKWELL C NOMINAL HUB |
| HARDNESS RATING | 48.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM TEETH |
| HELIX ANGLE | 11.6332 DEGREES |
| HUB NOMINAL DIAMETER | 0.420 INCHES BOTH ENDS |
| HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626,COND F MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4140 OVERALL |
| MOUNTING HOLE NOMINAL DIAMETER | 0.089 INCHES TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.112 INCHES TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 1 PLAIN AND 2 THREADED TRANSVERSELY THROUGH HUB, FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.462 INCHES FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.277 INCHES SECOND END |
| NOMINAL OUTSIDE DIAMETER | 0.6040 INCHES |
| PITCH DIAMETER | 0.5424 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUBS |
| SURFACE TREATMENT | OXIDE OVERALL |
| TEETH QUANTITY | 17 |
| TEETH TYPE | SINGLE HELIX |
| TOOTH DIRECTION | LEFT |
| TOOTH FORM | STANDARD |