| MATERIAL | STEEL COMP 4130 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND |
| 38.0 ROCKWELL C MAXIMUM OVERALL |
| TEETH QUANTITY | 56 |
| TEETH TYPE | SPUR |
| TOOTH FORM | STANDARD |
| TOOTH DIRECTION | RIGHT |
| PRESSURE ANGLE | 29.0000 DEGREES |
| PITCH DIAMETER | 3.2941 INCHES NOMINAL |
| NOMINAL OVERALL LENGTH | 0.6300 INCHES |
| NOMINAL OUTSIDE DIAMETER | 3.6230 INCHES |
| FACE NOMINAL WIDTH | 0.1950 INCHES |
| COUNTERBORE NOMINAL DEPTH | 0.3650 INCHES COUNTERBORE, FIRST END |
| COUNTERBORE NOMINAL DIAMETER | 3.4040 INCHES COUNTERBORE, FIRST END |
| HUB STYLE DESIGNATOR | PLAIN FIRST END |
| HUB NOMINAL DIAMETER | 3.5500 INCHES FIRST END |
| BODY STYLE | PLAIN, SOLID |
| ATTACHMENT METHOD | MOUNTING HOLE |
| MOUNTING HOLE TYPE AND QUANTITY | 6 PLAIN AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE NOMINAL DIAMETER | 0.1080 INCHES AXIALLY THROUGH BODY, FIRST END |