| DESIGN FORM | PLAIN |
| TEETH ROW QUANTITY | 1 |
| TEETH QUANTITY PER ROW | 12 |
| TOOTH PITCH | 1.125 INCHES NOMINAL |
| MATERIAL | STEEL |
| STYLE DESIGNATOR | PLAIN |
| OUTSIDE DIAMETER | 4.336 INCHES NOMINAL |
| OVERALL LENGTH | 2.525 INCHES NOMINAL |
| PITCH DIAMETER | 4.008 INCHES NOMINAL |
| FACE WIDTH | 0.600 INCHES NOMINAL |
| HARDNESS RATING TEST METHOD | NOT RATED |
| BORE TYPE | STRAIGHT |
| BORE DIAMETER | 1.500 INCHES NOMINAL |
| BORE LENGTH | 2.525 INCHES NOMINAL |
| KEYING FACILITY TYPE | KEYWAY |
| QUANTITY | 1 |
| KEYWAY WIDTH | 0.375 INCHES NOMINAL |
| DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY | 0.958 INCHES NOMINAL |
| PROTRUDING HUB CHARACTERISTIC | PLAIN |
| HUB OUTSIDE DIAMETER | 2.750 INCHES NOMINAL AA END |
| 2.750 INCHES NOMINAL BB END |
| FURNISHED ITEMS | KEYING FACILITY |
| DISTANCE FROM HUB END TO FLANGE END | 1.312 INCHES NOMINAL AA END |
| 1.213 INCHES NOMINAL BB END |
| SECURING METHOD | THREADED HOLE |
| SECURING LOCATION | AA END |
| SECURING HOLE QUANTITY | 2 |
| THREAD SIZE | 5/16-24 |
| HOLE LOCATION | ON HUB BETWEEN HUB END AND SPROCKET FACE 90 DEG APART |