| MATERIAL | STEEL COMP 4340 OVERALL | 
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE AND | 
|  | AISI/SAE 4340 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | 
| SURFACE TREATMENT | OXIDE OVERALL | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAVORD 7863 MFR REF SINGLE TREATMENT RESPONSE OVERALL | 
| HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND | 
|  | 39.0 ROCKWELL C MAXIMUM OVERALL | 
| TEETH QUANTITY | 44 | 
| TOOTH FORM | STANDARD | 
| PRESSURE ANGLE | 20.0000 DEGREES | 
| PRECISION CLASSIFICATION | QUALITY NUMBER 8 | 
| STYLE DESIGNATOR | PROTRUDING HUB | 
| PITCH RADIUS | 7.5000 INCHES NOMINAL | 
| FACE NOMINAL WIDTH | 1.000 INCHES | 
| NOMINAL OUTSIDE RADIUS | 7.625 INCHES | 
| ARC NOMINAL LENGTH | 17.600 INCHES | 
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.500 INCHES FIRST END | 
| BORE STYLE | W/ KEYWAY BOTH ENDS | 
| BORE NOMINAL DIAMETER | 1.500 INCHES BOTH ENDS | 
| KEYWAY NOMINAL WIDTH | 0.500 INCHES BOTH ENDS | 
| NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 4.245 INCHES BOTH ENDS | 
| HUB STYLE DESIGNATOR | PLAIN FIRST END | 
| HUB NOMINAL DIAMETER | 10.000 INCHES FIRST END | 
| ATTACHMENT METHOD | MOUNTING HOLE | 
| MOUNTING HOLE TYPE AND QUANTITY | 3 THREADED AXIALLY THROUGH HUB, FIRST END | 
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC AXIALLY THROUGH HUB, FIRST END | 
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.375 INCHES AXIALLY THROUGH HUB, FIRST END | 
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 9.250 INCHES AXIALLY THROUGH HUB, FIRST END | 
| THE MANUFACTURERS DATA |  | 
| MANUFACTURERS CODE | 10001 | 
| DESIGN CONTROL REFERENCE | 1472971P1 |