| DESIGN FORM | PLAIN |
| TEETH ROW QUANTITY | 1 |
| TEETH QUANTITY PER ROW | 23 |
| TOOTH PITCH | 1.000 INCHES NOMINAL |
| MATERIAL | STEEL |
| STYLE DESIGNATOR | PLAIN |
| OUTSIDE DIAMETER | 7.880 INCHES NOMINAL |
| OVERALL LENGTH | 3.750 INCHES NOMINAL |
| PITCH DIAMETER | 7.344 INCHES NOMINAL |
| FACE WIDTH | 0.575 INCHES NOMINAL |
| ASA STANDARD CHAIN NUMBER | 80 |
| HARDNESS RATING TEST METHOD | NOT RATED |
| BORE TYPE | STRAIGHT |
| BORE DIAMETER | 4.251 INCHES MINIMUM AND |
| 4.253 INCHES MAXIMUM |
| BORE LENGTH | 3.750 INCHES NOMINAL |
| KEYING FACILITY TYPE | KEYWAY |
| QUANTITY | 1 |
| KEYWAY WIDTH | 0.496 INCHES MINIMUM AND |
| 0.498 INCHES MAXIMUM |
| DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY | 2.3555 INCHES MINIMUM AND |
| 2.3585 INCHES MAXIMUM |
| PROTRUDING HUB CHARACTERISTIC | PLAIN |
| HUB OUTSIDE DIAMETER | 5.500 INCHES NOMINAL BOTH ENDS |
| FURNISHED ITEMS | KEYING FACILITY |
| DISTANCE FROM HUB END TO FLANGE END | 2.150 INCHES NOMINAL AA END |
| 1.025 INCHES NOMINAL BB END |
| SECURING METHOD | THREADED HOLE |
| SECURING LOCATION | AA END |
| SECURING HOLE QUANTITY | 2 |
| THREAD SIZE | 1/2 -13 |
| HOLE LOCATION | ON TOP OF KEYWAY AND 90 DEG FROM DEYWAY |