| III HARDNESS RATING | 60.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM TEETH |
| III MATERIAL | STEEL OVERALL |
| PITCH DIAMETER | 3.6461 INCHES MINIMUM AND 3.6471 INCHES MAXIMUM |
| PRESSURE ANGLE | 22.0000 DEGREES |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL OUTSIDE DIAMETER | 3.881 INCHES |
| SPECIAL FEATURES | FLIGHT SAFETY CRITICAL |
| STYLE DESIGNATOR | HUBLESS |
| SURFACE TREATMENT | OXIDE OVERALL |
| TEETH QUANTITY | 31 |
| TOOTH FORM | STANDARD |
| BODY STYLE | PLAIN, SOLID |
| BORE STYLE | W/COUNTERBORE COUNTERBORE, FIRST END |
| BORE NOMINAL DIAMETER | 2.429 INCHES COUNTERBORE, FIRST END |
| COUNTERBORE NOMINAL DEPTH | 0.539 INCHES COUNTERBORE, FIRST END |
| COUNTERBORE NOMINAL DIAMETER | 2.697 INCHES COUNTERBORE, FIRST END |
| CRITICALITY CODE JUSTIFICATION | FEAT |
| FACE NOMINAL WIDTH | 1.333 INCHES |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE 9310 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| III HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM HUB |