| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | PLAIN, SOLID |
| BORE NOMINAL DIAMETER | 0.375 INCHES BOTH ENDS |
| BORE STYLE | W/ KEYWAY BOTH ENDS |
| FACE NOMINAL WIDTH | 0.760 INCHES |
| FIRST GROOVE NOMINAL DIAMETER | 0.6000 INCHES FIRST END |
| FIRST GROOVE NOMINAL WIDTH | 0.125 INCHES FIRST END |
| HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| HUB STYLE DESIGNATOR | 1 GROOVE FIRST END |
| HUB NOMINAL DIAMETER | 0.755 INCHES FIRST END |
| KEYWAY NOMINAL WIDTH | 0.093 INCHES BOTH ENDS |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 416 OVERALL |
| MOUNTING HOLE TYPE AND QUANTITY | 1 THREADED TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.164 INCHES TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC TRANSVERSELY THROUGH HUB, FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.860 INCHES FIRST END |
| NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 0.240 INCHES BOTH ENDS |
| NOMINAL DISTANCE FROM END TO FIRST GROOVE | 0.735 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 0.833 INCHES |
| PITCH DIAMETER | 0.7500 INCHES NOMINAL |
| PRECISION CLASSIFICATION | QUALITY NUMBER 10 |
| PRESSURE ANGLE | 20.0000 DEGREES |
| SPECIAL FEATURES | MTG HOLES SPACED 90 DEG APART,ONE HOLE LOCATED ON TOP OF KEYWAY |
| STYLE DESIGNATOR | PROTRUDING HUB |
| TEETH QUANTITY | 18 |
| TOOTH FORM | STANDARD |