| MATERIAL | STEEL COMP 8620 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171,FINISH NO.5.3.1 OR NO.5.3.2 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 50.0 ROCKWELL C MINIMUM AND |
| 60.0 ROCKWELL C MAXIMUM TEETH |
| CONSTRUCTION | SOLID |
| DESIGN TYPE | SPUR FIRST GEAR |
| SPUR SECOND GEAR |
| NOMINAL OUTSIDE DIAMETER | 4.550 INCHES FIRST GEAR |
| 1.556 INCHES SECOND GEAR |
| NOMINAL OVERALL LENGTH | 4.120 INCHES |
| PRECISION CLASSIFICATION | QUALITY NUMBER 10 ALL GEARS |
| BORE STYLE | W/STEPPED COUNTERBORE FIRST END |
| BORE NOMINAL DIAMETER | 0.440 INCHES BOTH ENDS |
| COUNTERBORE NOMINAL DEPTH | 1.240 INCHES FIRST END |
| COUNTERBORE NOMINAL DIAMETER | 1.181 INCHES FIRST END |
| HUB STYLE DESIGNATOR | 1 STEP SECOND END |
| 3 STEPS BETWEEN FIRST AND SECOND GEAR |
| HUB NOMINAL LENGTH | 0.670 INCHES SECOND END |
| 1.080 INCHES BETWEEN FIRST AND SECOND GEAR |
| HUB NOMINAL DIAMETER | 0.751 INCHES SECOND END |
| 2.020 INCHES BETWEEN FIRST AND SECOND GEAR |
| ATTACHMENT METHOD | MOUNTING HOLE |