| MATERIAL | STEEL COMP 4340 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-19434,CLASS 5 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| HARDNESS RATING | 310.0 BRINELL STANDARD MINIMUM AND |
| 350.0 BRINELL STANDARD MAXIMUM OVERALL |
| TEETH QUANTITY | 94 |
| TEETH TYPE | SINGLE HELIX |
| TOOTH FORM | STANDARD |
| TOOTH DIRECTION | RIGHT |
| PRESSURE ANGLE | 20.0000 DEGREES |
| HELIX ANGLE | 30.0483 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUB, RECESSED BODY |
| PITCH DIAMETER | 11.8430 INCHES NOMINAL |
| NOMINAL OUTSIDE DIAMETER | 12.0610 INCHES |
| FACE NOMINAL WIDTH | 2.750 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.500 INCHES FIRST END |
| BODY RECESS NOMINAL DEPTH | 0.875 INCHES SECOND END |
| BORE STYLE | TAPERED W/KEYWAY BOTH ENDS |
| KEYWAY NOMINAL WIDTH | 0.500 INCHES BOTH ENDS |
| NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 1.387 INCHES BOTH ENDS |
| TAPER MAJOR NOMINAL DIAMETER | 2.243 INCHES BOTH ENDS |
| HUB STYLE DESIGNATOR | 1 STEP FIRST END |
| END NOMINAL LENGTH | 0.375 INCHES FIRST END |
| END NOMINAL DIAMETER | 2.750 INCHES FIRST END |
| FIRST STEP NOMINAL LENGTH | 0.125 INCHES FIRST END |
| FIRST STEP NOMINAL DIAMETER | 4.125 INCHES FIRST END |
| BODY STYLE | WEBBED, OFFSET, SOLID |
| ATTACHMENT METHOD | MOUNTING HOLE |
| MOUNTING HOLE TYPE AND QUANTITY | 2 THREADED AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.190 INCHES AXIALLY THROUGH BODY, FIRST END |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 6.750 INCHES AXIALLY THROUGH BODY, FIRST END |