| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | SPOKED |
| BORE NOMINAL DIAMETER | 4.5005 INCHES BOTH ENDS |
| BORE STYLE | W/ KEYWAY BOTH ENDS |
| FACE NOMINAL WIDTH | 3.500 INCHES |
| HELIX ANGLE | 5.0000 DEGREES |
| HUB NOMINAL DIAMETER | 7.0000 INCHES BOTH ENDS |
| HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |
| KEYWAY NOMINAL WIDTH | 1.125 INCHES BOTH ENDS |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-15083,GRADE 90-60 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| PITCH DIAMETER | 28.5000 INCHES NOMINAL |
| MATERIAL | STEEL COMP 90-60 OVERALL |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.6250 INCHES TRANSVERSELY THROUGH HUB FIRST END |
| MOUNTING HOLE THREAD QUANTITY PER INCH | 11 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 BORE CENTER TO KEYWAY BOTTOM | 2.6870 INCHES BOTH ENDS |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.6250 INCHES BOTH ENDS |
| NOMINAL OUTSIDE DIAMETER | 28.9000 INCHES |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUBS |
| TEETH QUANTITY | 114 |
| TEETH TYPE | SINGLE HELIX |
| TOOTH DIRECTION | RIGHT |
| TOOTH FORM | STUB |