| DESIGN FORM | PLAIN | 
| TEETH ROW QUANTITY | 1 | 
| TEETH QUANTITY PER ROW | 12 | 
| TOOTH PITCH | 1.750 INCHES NOMINAL | 
| MATERIAL | STEEL COMP 1045 | 
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD NO. 66,AISI 1045 FED STD SINGLE MATERIAL RESPONSE OR | 
 | SAE 1045 ASSN STD SINGLE MATERIAL RESPONSE | 
| STYLE DESIGNATOR | PLAIN | 
| OUTSIDE DIAMETER | 7.580 INCHES NOMINAL | 
| OVERALL LENGTH | 1.437 INCHES NOMINAL | 
| PITCH DIAMETER | 6.762 INCHES NOMINAL | 
| FACE WIDTH | 0.812 INCHES NOMINAL | 
| HARDNESS RATING TEST METHOD | ROCKWELL | 
| TEETH HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND | 
 | 45.0 ROCKWELL C MAXIMUM | 
| METALLIC HARDNESS RATING AND LOCATION | 35.0 ROCKWELL C MINIMUM BODY AND | 
 | 45.0 ROCKWELL C MAXIMUM BODY | 
| BORE TYPE | STRAIGHT | 
| BORE DIAMETER | 2.8338 INCHES MINIMUM AND | 
 | 2.8346 INCHES MAXIMUM | 
| BORE LENGTH | 1.437 INCHES NOMINAL | 
| PROTRUDING HUB CHARACTERISTIC | PLAIN | 
| HUB OUTSIDE DIAMETER | 3.500 INCHES NOMINAL BOTH ENDS | 
| DISTANCE FROM HUB END TO FLANGE END | 0.312 INCHES NOMINAL BOTH ENDS | 
| THE MANUFACTURERS DATA |  | 
| MANUFACTURERS CODE | 27315 | 
| DESIGN CONTROL REFERENCE | 204P41 |