| ATTACHMENT METHOD | MOUNTING HOLE |
| BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS |
| BORE STYLE | PLAIN BOTH ENDS |
| END NOMINAL DIAMETER | 0.500 INCHES FIRST END |
| END NOMINAL LENGTH | 0.250 INCHES FIRST END |
| FACE NOMINAL WIDTH | 0.104 INCHES |
| FIRST STEP NOMINAL DIAMETER | 0.688 INCHES FIRST END |
| FIRST STEP NOMINAL LENGTH | 0.031 INCHES FIRST END |
| HUB STYLE DESIGNATOR | 1 STEP FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 303 OVERALL |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.138 INCHES AXIALLY THROUGH HUB, FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC AXIALLY THROUGH HUB, FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 1 THREADED AXIALLY THROUGH HUB, FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.281 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 1.524 INCHES |
| PITCH DIAMETER | 1.5000 INCHES NOMINAL |
| PRECISION CLASSIFICATION | QUALITY NUMBER 12 |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUB |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35,TYPE 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| TEETH QUANTITY | 120 |
| TOOTH FORM | STANDARD |