| DESIGN FORM | PLAIN |
| TEETH ROW QUANTITY | 1 |
| TEETH QUANTITY PER ROW | 15 |
| TOOTH PITCH | 0.750 INCHES NOMINAL |
| MATERIAL | STEEL |
| STYLE DESIGNATOR | PLAIN |
| OUTSIDE DIAMETER | 3.979 INCHES NOMINAL |
| OVERALL LENGTH | 1.250 INCHES NOMINAL |
| PITCH DIAMETER | 3.607 INCHES NOMINAL |
| FACE WIDTH | 0.459 INCHES NOMINAL |
| ASA STANDARD CHAIN NUMBER | 60 |
| HARDNESS RATING TEST METHOD | NOT RATED |
| BORE TYPE | STRAIGHT |
| BORE DIAMETER | 1.250 INCHES NOMINAL |
| BORE LENGTH | 1.250 INCHES NOMINAL |
| KEYING FACILITY TYPE | KEYWAY |
| QUANTITY | 1 |
| KEYWAY WIDTH | 0.312 INCHES NOMINAL |
| DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY | 0.7812 INCHES MINIMUM AND |
| 0.7822 INCHES MAXIMUM |
| PROTRUDING HUB CHARACTERISTIC | PLAIN |
| HUB OUTSIDE DIAMETER | 2.250 INCHES NOMINAL AA END |
| FURNISHED ITEMS | KEYING FACILITY |
| DISTANCE FROM HUB END TO FLANGE END | 0.791 INCHES NOMINAL AA END |
| SECURING METHOD | THREADED HOLE |
| SECURING LOCATION | AA END |
| SECURING HOLE QUANTITY | 2 |
| THREAD SIZE | 5/16-18 |
| HOLE LOCATION | ONE LOCATED ON KEYWAY,ONE LOCATED 180 DEG FROM KEYWAY |
| FURNISHED ITEMS AND QUANTITY | 2 SETSCREWS |