| MATERIAL | STEEL COMP 4340H OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE AND |
| AISI/SAE 4340H ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| HARDNESS RATING | 31.0 ROCKWELL C MINIMUM AND |
| 35.0 ROCKWELL C MAXIMUM OVERALL |
| TEETH QUANTITY | 72 |
| TEETH TYPE | SINGLE HELIX |
| TOOTH FORM | STANDARD |
| TOOTH DIRECTION | RIGHT |
| PRESSURE ANGLE | 20.0000 DEGREES |
| HELIX ANGLE | 22.6198 DEGREES |
| PITCH DIAMETER | 9.7500 INCHES NOMINAL |
| NOMINAL OUTSIDE DIAMETER | 9.997 INCHES |
| FACE NOMINAL WIDTH | 1.250 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END | 0.218 INCHES BOTH ENDS |
| BODY RECESS NOMINAL DEPTH | 0.468 INCHES SECOND END |
| BORE STYLE | PLAIN BOTH ENDS |
| BORE NOMINAL DIAMETER | 2.6250 INCHES BOTH ENDS |
| COUNTERBORE NOMINAL DEPTH | 0.2187 INCHES SECOND END |
| COUNTERBORE NOMINAL DIAMETER | 4.250 INCHES SECOND END |
| HUB STYLE DESIGNATOR | PLAIN FIRST END |
| HUB NOMINAL DIAMETER | 4.312 INCHES FIRST END |
| BODY STYLE | WEBBED, OFFSET, SOLID |
| ATTACHMENT METHOD | MOUNTING HOLE |
| MOUNTING HOLE TYPE AND QUANTITY | 6 PLAIN AXIALLY THROUGH HUB, FIRST END |
| MOUNTING HOLE NOMINAL DIAMETER | 0.374 INCHES AXIALLY THROUGH HUB, FIRST END |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 3.375 INCHES AXIALLY THROUGH HUB, FIRST END |
| SPECIAL FEATURES | FIG 1 ON END OF HUB ON CENTERLINE OF MTG HOLE,LETTER O LOCATED ON FACE OF GEAR AT ROOT OF TOOTH SPACE 65 DEG 44 MIN CW FROM FIG 1,DOUBLE @CHISEL MARKS AT ROOT OF TWO TEETH SPACES 64 DEG 16 MIN CCW FROM @FIG 1 MARK |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 15434 |
| DESIGN CONTROL REFERENCE | 4765-2 |