| BORE STYLE | PLAIN BOTH ENDSPLAIN BOTH ENDS |
| BORE NOMINAL DIAMETER | 0.156 INCHES BOTH ENDS0.156 INCHES BOTH ENDS |
| DESIGN TYPE | SPUR FIRST GEARSPUR FIRST GEAR |
| DESIGN TYPE | SPUR SECOND GEARSPUR SECOND GEAR |
| HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM TEETH50.0 ROCKWELL C MAXIMUM TEETH |
| HARDNESS RATING | 47.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM HUB50.0 ROCKWELL C MAXIMUM HUB |
| HUB NOMINAL LENGTH | 0.016 INCHES FIRST END0.016 INCHES FIRST END |
| HUB NOMINAL DIAMETER | 0.343 INCHES FIRST END0.343 INCHES FIRST END |
| HUB STYLE DESIGNATOR | PLAIN FIRST ENDPLAIN FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7947 MIL SPEC SINGLE MATERIAL RESPONSE FIRST GEARMIL-S-7947 MIL SPEC SINGLE MATERIAL RESPONSE FIRST GEAR |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-628 FED SPEC SINGLE MATERIAL RESPONSE SECOND GEARQQ-S-628 FED SPEC SINGLE MATERIAL RESPONSE SECOND GEAR |
| MATERIAL | STEEL ALL GEARSSTEEL ALL GEARS |
| NOMINAL OUTSIDE DIAMETER | 0.343 INCHES SECOND GEAR0.343 INCHES SECOND GEAR |
| NOMINAL OUTSIDE DIAMETER | 0.6950 INCHES FIRST GEAR0.6950 INCHES FIRST GEAR |
| SURFACE TREATMENT | OXIDE OVERALLOXIDE OVERALL |