| DESIGN FORM | PLAIN |
| TEETH ROW QUANTITY | 1 |
| TEETH QUANTITY PER ROW | 28 |
| TOOTH PITCH | 1.000 INCHES NOMINAL |
| MATERIAL | STEEL |
| STYLE DESIGNATOR | PLAIN |
| OUTSIDE DIAMETER | 9.475 INCHES NOMINAL |
| OVERALL LENGTH | 1.375 INCHES NOMINAL |
| PITCH DIAMETER | 8.931 INCHES NOMINAL |
| FACE WIDTH | 0.625 INCHES NOMINAL |
| ASA STANDARD CHAIN NUMBER | 80 |
| HARDNESS RATING TEST METHOD | NOT RATED |
| BORE TYPE | STRAIGHT |
| BORE DIAMETER | 1.626 INCHES MINIMUM AND |
| 1.627 INCHES MAXIMUM |
| BORE LENGTH | 1.375 INCHES NOMINAL |
| KEYING FACILITY TYPE | KEYWAY |
| QUANTITY | 1 |
| KEYWAY WIDTH | 0.377 INCHES NOMINAL |
| DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY | 0.988 INCHES NOMINAL |
| PROTRUDING HUB CHARACTERISTIC | PLAIN |
| HUB OUTSIDE DIAMETER | 4.750 INCHES NOMINAL AA END |
| FURNISHED ITEMS | KEYING FACILITY |
| DISTANCE FROM HUB END TO FLANGE END | 0.750 INCHES NOMINAL AA END |
| SECURING METHOD | THREADED HOLE |
| SECURING HOLE QUANTITY | 1 |
| THREAD SIZE | 3/8-16 |
| HOLE LOCATION | BETWEEN HUB AND SPROCKET FACE |