| ATTACHMENT METHOD | CLAMP AND MOUNTING HOLE |
| BODY STYLE | PLAIN, WITH LIGHTENING HOLES |
| BORE NOMINAL DIAMETER | 4.250 INCHES BOTH ENDS |
| BORE STYLE | PLAIN BOTH ENDS |
| END NOMINAL DIAMETER | 0.437 INCHES FIRST END |
| END NOMINAL LENGTH | 0.625 INCHES FIRST END |
| FACE NOMINAL WIDTH | 0.312 INCHES |
| FIRST STEP NOMINAL DIAMETER | 0.450 INCHES FIRST END |
| FIRST STEP NOMINAL LENGTH | 0.063 INCHES FIRST END |
| HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| 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 416 OVERALL |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 3 THREADED AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.112 INCHES AXIALLY THROUGH BODY, FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.688 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 6.024 INCHES |
| PITCH DIAMETER | 6.0000 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| PRECISION CLASSIFICATION | QUALITY NUMBER 11 |
| STYLE DESIGNATOR | PROTRUDING HUB |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| TEETH QUANTITY | 480 |
| TOOTH FORM | STANDARD |