| MATERIAL | STEEL COMP 4140 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626,COMP 4140 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND |
| 36.0 ROCKWELL C MAXIMUM BORE SURFACE |
| TEETH QUANTITY | 5 |
| TOOTH FORM | STANDARD |
| PRESSURE ANGLE | 20.0000 DEGREES |
| PRECISION CLASSIFICATION | QUALITY NUMBER 10 OR |
| QUALITY NUMBER 11 |
| BORE STYLE | PLAIN BOTH ENDS |
| BORE NOMINAL DIAMETER | 0.876 INCHES BOTH ENDS |
| ATTACHMENT METHOD | MOUNTING HOLE |
| MOUNTING HOLE TYPE AND QUANTITY | 2 PLAIN AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE NOMINAL DIAMETER | 0.375 INCHES AXIALLY THROUGH BODY, SECOND END |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 81868 |
| DESIGN CONTROL REFERENCE | 11768-709 |