| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | PLAIN, SOLID |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 2.2810 INCHES AND 2.3750 INCHES AXIALLY THROUGH HUB FIRST END |
| BORE NOMINAL DIAMETER | 1.8504 INCHES BOTH ENDS |
| BORE STYLE | PLAIN BOTH ENDS |
| FACE NOMINAL WIDTH | 0.343 INCHES |
| HUB NOMINAL DIAMETER | 2.625 INCHES FIRST END |
| HUB STYLE DESIGNATOR | PLAIN FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,TYPE 416SE,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| PITCH DIAMETER | 4.0000 INCHES NOMINAL |
| MATERIAL | STEEL COMP 416SE OVERALL |
| MOUNTING HOLE NOMINAL DIAMETER | 0.1760 INCHES AXIALLY THROUGH HUB FIRST END |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.1640 INCHES AXIALLY THROUGH HUB FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) AXIALLY THROUGH HUB FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 1 PLAIN AND 1 THREADED AXIALLY THROUGH HUB FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.170 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 4.0396 INCHES |
| PRESSURE ANGLE | 20.0000 DEGREES |
| SPECIAL FEATURES | MOUNTING HOLES 90 DEGREES APART |
| STYLE DESIGNATOR | PROTRUDING HUB |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| TEETH QUANTITY | 192 |
| TOOTH FORM | STANDARD |