| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-890,CLASS B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| HARDNESS RATING | 10.0 ROCKWELL C MINIMUM AND |
| 20.0 ROCKWELL C MAXIMUM OVERALL |
| TEETH QUANTITY | 69 |
| TEETH TYPE | SINGLE HELIX |
| TOOTH FORM | STANDARD |
| TOOTH DIRECTION | LEFT |
| PRESSURE ANGLE | 14.5000 DEGREES |
| HELIX ANGLE | 25.81635 DEGREES |
| PITCH DIAMETER | 8.6250 INCHES NOMINAL |
| NOMINAL OVERALL LENGTH | 2.062 INCHES |
| BORE STYLE | PLAIN BOTH ENDS |
| BORE NOMINAL DIAMETER | 4.375 INCHES BOTH ENDS |
| HUB STYLE DESIGNATOR | PLAIN FIRST END |
| HUB NOMINAL DIAMETER | 6.750 INCHES FIRST END |
| BODY STYLE | WEBBED, SOLID |
| ATTACHMENT METHOD | MOUNTING HOLE |
| MOUNTING HOLE TYPE AND QUANTITY | 4 PLAIN AXIALLY THROUGH BODY, FIRST END |
| 4 THREADED AXIALLY THROUGH BODY, SECOND END |
| MOUNTING HOLE NOMINAL DIAMETER | 0.500 INCHES AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNF AXIALLY THROUGH BODY, SECOND END |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.375 INCHES AXIALLY THROUGH BODY, SECOND END |
| MOUNTING HOLE THREAD QUANTITY PER INCH | 24 AXIALLY THROUGH BODY, SECOND END |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 5.250 INCHES AXIALLY THROUGH BODY, FIRST END |
| 5.250 INCHES AXIALLY THROUGH BODY, SECOND END |
| SPECIAL FEATURES | OUTSIDE DIAMETER 8.873MIN. 8.875MAX. IN.; BORE PROVISION INCLUDED; BORE LENGTH 0.438 IN.; FACE WIDTH 1.745MIN. 1.755MAX. IN.; DISTANCE FROM FIRST END HUB END TO FACE OF GEAR 0.3075MIN. 0.3175MAX. IN.; DEPTH FROM SECOND END FACE OF TEETH TO FACE OF BORE 0.3075MIN. 0.3175MAX. IN.; WEB LOCATION OFFSET FROM GEAR TEETH CENTERLINE; STYLE WEBBED,PROTRUDING HUB/RECESSED FACE; CIRCULAR PITCH 0.3927 IN. |