| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | PLAIN, SOLID |
| BORE NOMINAL DIAMETER | 0.500 INCHES BOTH ENDS |
| BORE STYLE | W/ KEYWAY BOTH ENDS |
| FACE NOMINAL WIDTH | 0.250 INCHES |
| HUB NOMINAL DIAMETER | 1.000 INCHES FIRST END |
| HUB STYLE DESIGNATOR | PINNED FIRST END |
| KEYWAY NOMINAL WIDTH | 0.124 INCHES BOTH ENDS |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CLASS 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 303 OVERALL |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.250 INCHES TRANSVERSELY THROUGH HUB FIRST END |
| MOUNTING HOLE THREAD QUANTITY PER INCH | 20 TRANSVERSELY THROUGH HUB FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 2 THREADED TRANSVERSELY THROUGH HUB FIRST END |
| NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 0.306 INCHES BOTH ENDS |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.375 INCHES FIRST END |
| NOMINAL OVERALL LENGTH | 0.625 INCHES |
| NOMINAL OUTSIDE DIAMETER | 2.684 INCHES |
| PITCH DIAMETER | 2.6250 INCHES NOMINAL |
| PRECISION CLASSIFICATION | QUALITY NUMBER 10 OR QUALITY NUMBER 11 |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUB |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| TEETH QUANTITY | 84 |
| TOOTH FORM | STANDARD |