| ATTACHMENT METHOD | MOUNTING HOLE | 
| BODY STYLE | WEBBED, OFFSET, SOLID | 
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 1.688 INCHES AXIALLY THROUGH BODY FIRST END | 
| BORE NOMINAL DIAMETER | 0.560 INCHES BOTH ENDS | 
| BORE STYLE | W/ KEYWAY BOTH ENDS | 
| CRITICALITY CODE JUSTIFICATION | FEAT | 
| FACE NOMINAL WIDTH | 1.375 INCHES | 
| HARDNESS RATING | 28.0 ROCKWELL C MINIMUM  AND 32.0 ROCKWELL C MAXIMUM OVERALL | 
| HELIX ANGLE | 34.6284 DEGREES | 
| HUB NOMINAL DIAMETER | 1.125 INCHES FIRST END | 
| HUB NOMINAL DIAMETER | 1.125 INCHES SECOND END | 
| HUB STYLE DESIGNATOR | PLAIN BOTH ENDS | 
| KEYWAY NOMINAL WIDTH | 0.127 INCHES BOTH ENDS | 
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL | 
| PITCH DIAMETER | 2.8970 INCHES NOMINAL | 
| MATERIAL | STEEL COMP 8640  AND STEEL COMP 8740  AND STEEL COMP 4140 OVERALL | 
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.375 INCHES AXIALLY THROUGH BODY FIRST END | 
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) AXIALLY THROUGH BODY FIRST END | 
| MOUNTING HOLE TYPE AND QUANTITY | 2 THREADED AXIALLY THROUGH BODY FIRST END | 
| NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 0.347 INCHES BOTH ENDS | 
| NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END | 0.375 INCHES SECOND END | 
| NOMINAL OUTSIDE DIAMETER | 3.122 INCHES | 
| PRESSURE ANGLE | 14.5000 DEGREES | 
| SPECIAL FEATURES | WEAPON SYSTEM ESSENTIAL | 
| STYLE DESIGNATOR | ONE FLUSH HUB, ONE RECESSED HUB | 
| TEETH QUANTITY | 24 | 
| TEETH TYPE | SINGLE HELIX | 
| TOOTH FORM | STANDARD | 
| TOOTH DIRECTION | LEFT |