| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | PLAIN, SOLID |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 3.125 INCHES AXIALLY THROUGH BODY, FIRST END |
| BORE NOMINAL DIAMETER | 2.1247 INCHES FIRST END |
| BORE STYLE | W/ KEYWAY BOTH ENDS |
| FACE NOMINAL WIDTH | 1.375 INCHES |
| HARDNESS RATING | 285.0 BRINELL STANDARD NOMINAL OVERALL |
| HELIX ANGLE | 34.6284 DEGREES |
| HUB NOMINAL DIAMETER | 4.2812 INCHES FIRST END |
| HUB STYLE DESIGNATOR | PLAIN FIRST END |
| KEYWAY NOMINAL WIDTH | 0.252 INCHES BOTH ENDS |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAF 1141 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 1141 OVERALL |
| MOUNTING HOLE TYPE AND QUANTITY | 2 COUNTERSUNK AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE NOMINAL DIAMETER | 0.438 INCHES AXIALLY THROUGH BODY, FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.222 INCHES FIRST END |
| NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 1.2051 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 4.5670 INCHES |
| PITCH DIAMETER | 4.3750 INCHES NOMINAL |
| PRESSURE ANGLE | 14.5000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUB |
| TEETH QUANTITY | 36 |
| TEETH TYPE | SINGLE HELIX |
| TOOTH FORM | STANDARD |
| TOOTH DIRECTION | LEFT |