| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | WEBBED, SOLID |
| BORE NOMINAL DIAMETER | 2.999 INCHES BOTH ENDS |
| BORE STYLE | W/ KEYWAY BOTH ENDS |
| FACE NOMINAL WIDTH | 2.500 INCHES |
| HARDNESS RATING | 72.0 ROCKWELL C MINIMUM AND 9.0 ROCKWELL C MAXIMUM OVERALL |
| HELIX ANGLE | 14.9167 DEGREES |
| HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |
| HUB NOMINAL DIAMETER | 4.500 INCHES FIRST END |
| HUB NOMINAL DIAMETER | 4.500 INCHES SECOND END |
| KEYWAY NOMINAL WIDTH | 0.377 INCHES BOTH ENDS |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 1035 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 1035 OVERALL |
| MOUNTING HOLE TYPE AND QUANTITY | 1 THREADED TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.500 INCHES TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE THREAD QUANTITY PER INCH | 13 TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC TRANSVERSELY THROUGH HUB, FIRST END |
| NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 1.005 INCHES BOTH ENDS |
| NOMINAL OUTSIDE DIAMETER | 16.043 INCHES |
| PITCH DIAMETER | 16.0000 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| SPECIAL FEATURES | FIG 2 STAMPED ON GEAR SIDE ON LOWER CTR. LINE OF TOOTH SPACE OPPOSITE KEYWAY,FIG 3 STAMPED ON GEAR SIDE ON CENTER LINE OF TOOTH 150 DEG 45 MIN CCW FROM STAMPED FIG 2 |
| STYLE DESIGNATOR | FLUSH HUB |
| TEETH QUANTITY | 80 |
| TEETH TYPE | SINGLE HELIX |
| TOOTH DIRECTION | RIGHT |
| TOOTH FORM | STANDARD |