| DESIGN FORM | PLAIN |
| TEETH ROW QUANTITY | 1 |
| TEETH QUANTITY PER ROW | 70 |
| TOOTH PITCH | 0.750 INCHES NOMINAL |
| MATERIAL | STEEL COMP 1022 |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-20166, TYPE A, GRADE M MIL SPEC SINGLE MATERIAL RESPONSE |
| STYLE DESIGNATOR | PLAIN |
| OUTSIDE DIAMETER | 17.150 INCHES NOMINAL |
| OVERALL LENGTH | 1.875 INCHES NOMINAL |
| PITCH DIAMETER | 16.717 INCHES NOMINAL |
| FACE WIDTH | 0.459 INCHES NOMINAL |
| ASA STANDARD CHAIN NUMBER | 60 |
| HARDNESS RATING TEST METHOD | ROCKWELL |
| BORE TYPE | STRAIGHT SPLINE |
| SPLINE QUANTITY | 6 |
| SPLINE MAJOR DIAMETER | 2.247 INCHES MINIMUM AND |
| 2.2490 INCHES MAXIMUM |
| SPLINE LENGTH | 1.875 INCHES NOMINAL |
| HUB OUTSIDE DIAMETER | 3.500 INCHES NOMINAL BOTH ENDS |
| SPLINE MINOR DIAMETER | 2.032 INCHES MINIMUM AND |
| 2.034 INCHES MAXIMUM |
| DISTANCE FROM HUB END TO FLANGE END | 1.416 INCHES NOMINAL BOTH ENDS |
| SECURING METHOD | DRILLED HOLE |
| SECURING HOLE QUANTITY | 2 |
| HOLE LOCATION | LOCATED ON HUB 0.625 IN. FROM END THRU CENTER OF SPLINE 180 DEG APART |
| DRILLED HOLE DIAMETER | 0.252 INCHES NOMINAL |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 80020 |
| DESIGN CONTROL REFERENCE | 55-3868-1 |