| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | WEBBED, OFFSET, WITH LIGHTENING HOLES |
| BORE NOMINAL DIAMETER | 5.244 INCHES BOTH ENDS |
| BORE STYLE | INVOLUTE SPLINE BOTH ENDS |
| CRITICALITY CODE JUSTIFICATION | FEAT |
| FACE NOMINAL WIDTH | 2.687 INCHES |
| HELIX ANGLE | 28.3998 DEGREES |
| HUB NOMINAL DIAMETER | 5.687 INCHES FIRST END |
| HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| PITCH DIAMETER | 12.3913 INCHES NOMINAL |
| MATERIAL | STEEL COMP E9310 OVERALL |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.625 INCHES TRANSVERSELY THROUGH FACE |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH FACE |
| MOUNTING HOLE TYPE AND QUANTITY | 4 THREADED TRANSVERSELY THROUGH FACE |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 1.210 INCHES SECOND END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END | 1.550 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 12.583 INCHES |
| PRESSURE ANGLE | 22.5000 DEGREES |
| SPECIAL FEATURES | COUNTERBORE FIRST END,DIA. 5.281 IN. NOMINAL,DEPTH 0.188 IN. NOMINAL FLIGHT SAFETY CRITICAL |
| SPLINE PITCH DIAMETER | 5.1250 INCHES NOMINAL BOTH ENDS |
| SPLINE QUANTITY | 82 BOTH ENDS |
| STYLE DESIGNATOR | CONE SHAPE BODY, PROTRUDING HUB, RECESSED HUB |
| TEETH QUANTITY | 109 |
| TEETH TYPE | SINGLE HELIX |
| TOOTH DIRECTION | RIGHT |
| TOOTH FORM | STANDARD |