| ATTACHMENT METHOD | MOUNTING HOLE |
| BORE STYLE | PLAIN BOTH ENDS |
| BORE NOMINAL DIAMETER | 0.240 INCHES BOTH ENDS |
| CRITICALITY CODE JUSTIFICATION | FEAT |
| FACE NOMINAL WIDTH | 0.182 INCHES |
| HUB NOMINAL DIAMETER | 0.609 INCHES SECOND END |
| HUB NOMINAL DIAMETER | 0.875 INCHES FIRST END |
| HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | GEAR ASSEMBLY, SPUR, ANTI-BACKLASH |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720,COND B MIL SPEC SINGLE MATERIAL RESPONSE HUB |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-355,COND T3 FED SPEC SINGLE MATERIAL RESPONSE FIRST GEAR |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-355,COND T3 FED SPEC SINGLE MATERIAL RESPONSE SECOND GEAR |
| MATERIAL | ALUMINUM ALLOY FIRST GEAR |
| MOUNTING HOLE NOMINAL DIAMETER | 0.406 INCHES TRANSVERSELY THROUGH FACE |
| MOUNTING HOLE TYPE AND QUANTITY | 2 PLAIN TRANSVERSELY THROUGH FACE |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.085 INCHES SECOND END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.113 INCHES FIRST END |
| NOMINAL OVERALL LENGTH | 0.380 INCHES |
| NOMINAL OUTSIDE DIAMETER | 4.042 INCHES |
| PITCH DIAMETER | 4.0000 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| SPECIAL FEATURES | MTG HOLS 180 DEGS APART; WEAPON SYSTEM ESSENTIAL |
| STYLE DESIGNATOR | PROTRUDING HUBS |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 171,FINISH 7.1.1STDC1LJEA171,FINSISH 7.1.1 MIL STD SINGLE TREATMENT RESPONSE FIRST GEAR |
| SURFACE TREATMENT | ANODIZE FIRST GEAR |
| SURFACE TREATMENT | ANODIZE SECOND GEAR |
| SURFACE TREATMENT | PASSIVATE HUB |
| TEETH QUANTITY | 182 |
| TOOTH FORM | STANDARD |