| DESIGN FORM | PLAIN |
| TEETH ROW QUANTITY | 1 |
| TEETH QUANTITY PER ROW | 19 |
| TOOTH PITCH | 0.080 INCHES NOMINAL |
| MATERIAL | STEEL COMP 4140 |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE 4140 ASSN STD SINGLE MATERIAL RESPONSE |
| STYLE DESIGNATOR | PLAIN |
| OUTSIDE DIAMETER | 1.650 INCHES NOMINAL |
| OVERALL LENGTH | 0.900 INCHES NOMINAL |
| PITCH DIAMETER | 1.519 INCHES NOMINAL |
| FACE WIDTH | 0.110 INCHES NOMINAL |
| SURFACE TREATMENT | CADMIUM |
| ASA STANDARD CHAIN NUMBER | 25 |
| HARDNESS RATING TEST METHOD | ROCKWELL |
| TEETH HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND |
| 50.0 ROCKWELL C MAXIMUM |
| METALLIC HARDNESS RATING AND LOCATION | 45.0 ROCKWELL C MINIMUM HUB AND |
| 50.0 ROCKWELL C MAXIMUM HUB |
| BORE TYPE | STRAIGHT |
| BORE DIAMETER | 0.750 INCHES NOMINAL |
| BORE LENGTH | 0.900 INCHES NOMINAL |
| KEYING FACILITY TYPE | KEYWAY |
| QUANTITY | 1 |
| KEYWAY WIDTH | 0.125 INCHES NOMINAL |
| DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY | 0.437 INCHES NOMINAL |
| PROTRUDING HUB CHARACTERISTIC | STEPPED |
| HUB OUTSIDE DIAMETER | 0.990 INCHES NOMINAL BOTH ENDS |
| FURNISHED ITEMS | KEYING FACILITY |
| DISTANCE FROM HUB END TO FLANGE END | 0.790 INCHES NOMINAL BOTH ENDS |
| FIRST STEP DIAMETER | 1.120 INCHES NOMINAL BOTH ENDS |
| FIRST STEP LENGTH | 0.340 INCHES NOMINAL BOTH ENDS |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 61412 |
| DESIGN CONTROL REFERENCE | 470-746 |