| DESIGN FORM | PLAIN |
| TEETH ROW QUANTITY | 1 |
| TEETH QUANTITY PER ROW | 19 |
| TOOTH PITCH | 0.500 INCHES NOMINAL |
| MATERIAL | STEEL COMP 1020 AND |
| STEEL COMP 1118 |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-633, COMP C1020-CANCELED FED SPEC 1ST MATERIAL RESPONSE AND |
| QQ-S-633, COMP C1118-CANCELED FED SPEC 2ND MATERIAL RESPONSE |
| STYLE DESIGNATOR | PLAIN |
| OUTSIDE DIAMETER | 3.339 INCHES NOMINAL |
| OVERALL LENGTH | 0.875 INCHES NOMINAL |
| PITCH DIAMETER | 3.038 INCHES NOMINAL |
| FACE WIDTH | 0.251 INCHES NOMINAL |
| ASA STANDARD CHAIN NUMBER | 40 |
| HARDNESS RATING TEST METHOD | ROCKWELL |
| TEETH HARDNESS RATING | 55.0 ROCKWELL C MINIMUM AND |
| 62.0 ROCKWELL C MAXIMUM |
| METALLIC HARDNESS RATING AND LOCATION | 55.0 ROCKWELL C MINIMUM BODY AND |
| 62.0 ROCKWELL C MAXIMUM BODY |
| BORE TYPE | STRAIGHT |
| BORE DIAMETER | 2.001 INCHES MINIMUM AND |
| 2.003 INCHES MAXIMUM |
| BORE LENGTH | 0.875 INCHES NOMINAL |
| KEYING FACILITY TYPE | KEYWAY |
| QUANTITY | 1 |
| KEY WIDTH | 0.1885 INCHES MINIMUM AND |
| 1.2887 INCHES MAXIMUM |
| KEYWAY WIDTH | 0.288 INCHES NOMINAL |
| DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY | 1.091 INCHES MAXIMUM AND |
| 1.100 INCHES MINIMUM |
| PROTRUDING HUB CHARACTERISTIC | PLAIN |
| HUB OUTSIDE DIAMETER | 2.500 INCHES NOMINAL BOTH ENDS |
| FURNISHED ITEMS | KEYING FACILITY |
| DISTANCE FROM HUB END TO FLANGE END | 0.312 INCHES NOMINAL BOTH ENDS |
| SPECIAL FEATURES | 0.1562 IN. BY 45 DEG CHAMFER ON ONE END OF BORE, 1/32 PLUS 1/32 BY 45 DEG CHAMFER ON OTHER END OF BORE |