| MATERIAL | STEEL COMP 4130 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND |
| 38.0 ROCKWELL C MAXIMUM OVERALL |
| TEETH QUANTITY | 24 |
| TOOTH FORM | STANDARD |
| PRESSURE ANGLE | 20.0000 DEGREES |
| PRECISION CLASSIFICATION | QUALITY NUMBER 10 |
| STYLE DESIGNATOR | HUBLESS, RECESSED BODY |
| PITCH RADIUS | 5.0500 INCHES NOMINAL |
| FACE NOMINAL WIDTH | 0.578 INCHES |
| NOMINAL OUTSIDE RADIUS | 5.150 INCHES |
| ARC NOMINAL LENGTH | 7.540 INCHES |
| BODY RECESS NOMINAL DEPTH | 0.335 INCHES FIRST END |
| ATTACHMENT METHOD | MOUNTING HOLE |
| MOUNTING HOLE TYPE AND QUANTITY | 3 PLAIN AND |
| 2 PLAIN AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE NOMINAL DIAMETER | 0.188 INCHES AND |
| 0.290 INCHES AXIALLY THROUGH BODY, FIRST END |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 8.188 INCHES AXIALLY THROUGH BODY, FIRST END |