| DESIGN FORM | PLAIN |
| TEETH ROW QUANTITY | 1 |
| TEETH QUANTITY PER ROW | 18 |
| TOOTH PITCH | 0.188 INCHES NOMINAL |
| MATERIAL | IRON |
| STYLE DESIGNATOR | PLAIN |
| OUTSIDE DIAMETER | 1.052 INCHES MINIMUM AND |
| 1.062 INCHES MAXIMUM |
| OVERALL LENGTH | 0.390 INCHES NOMINAL |
| PITCH DIAMETER | 1.080 INCHES NOMINAL |
| FACE WIDTH | 0.078 INCHES NOMINAL |
| HARDNESS RATING TEST METHOD | NOT RATED |
| BORE TYPE | STRAIGHT |
| BORE DIAMETER | 0.2499 INCHES MINIMUM AND |
| 0.2506 INCHES MAXIMUM |
| BORE LENGTH | 0.390 INCHES NOMINAL |
| PROTRUDING HUB CHARACTERISTIC | PLAIN |
| HUB OUTSIDE DIAMETER | 0.4357 INCHES MINIMUM AND |
| 0.4369 INCHES MAXIMUM AA END |
| DISTANCE FROM HUB END TO FLANGE END | 0.2180 INCHES NOMINAL AA END |
| EXTERNAL KEYWAY LOCATION | AA END |
| EXTERNAL KEYWAY WIDTH | 0.2499 INCHES MINIMUM AND |
| 0.2506 INCHES MAXIMUM |
| KEYWAY DEPTH | 0.0182 INCHES MINIMUM AND |
| 0.0199 INCHES MAXIMUM |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 80063 |
| DESIGN CONTROL REFERENCE | SM-B-338707 |