| Item Name | Gear Cluster |
| Federal Supply Group (FSG) | Mechanical Power Transmission Equipment |
| Federal Supply Class (FSC) | 3020 Gear Pulley Sprocket and Transmission Chain |
| National Item Identification Number (NIIN) | 00-646-7040 (006467040) |
| NCB Code | USA (00) |
| Manufacturer | Am General Llc, Navistar Intl Corp, Liberty Ventures Inti Llc, Dana Corp, Dana Commercial Vehicle Products |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABSA | SPLINE QUANTITY | 6 BOTH ENDS |
| ANTP | BORE STYLE | STRAIGHT SPLINE BOTH ENDS |
| APGF | DESIGN TYPE | HELICAL FIRST GEAR |
| APGF | DESIGN TYPE | SPUR SECOND GEAR |
| CQCF | CONSTRUCTION | SOLID |
| CQFM | HARDNESS RATING | 58.0 ROCKWELL C MINIMUM OVERALL AND 62.0 ROCKWELL C MAXIMUM OVERALL |
| CWCD | NOMINAL OUTSIDE DIAMETER | 2.406 INCHES SECOND GEAR |
| CWCD | NOMINAL OUTSIDE DIAMETER | 3.938 INCHES FIRST GEAR |
| CWFR | NOMINAL OVERALL LENGTH | 1.988 INCHES |
| CWQN | HUB NOMINAL LENGTH | 0.125 INCHES BETWEEN FIRST AND SECOND GEAR |
| CWQN | HUB NOMINAL LENGTH | 0.739 INCHES FIRST END |
| CWRS | BORE NOMINAL DIAMETER | 1.562 INCHES BOTH ENDS |
| CWTR | HUB STYLE DESIGNATOR | PLAIN BETWEEN FIRST AND SECOND GEAR |
| CWTR | HUB STYLE DESIGNATOR | PLAIN FIRST END |
| CWTX | HUB NOMINAL DIAMETER | 1.750 INCHES FIRST END |
| CWTX | HUB NOMINAL DIAMETER | 2.062 INCHES BETWEEN FIRST AND SECOND GEAR |
| FEAT | SPECIAL FEATURES | COUNTERBORE 2ND END; 1.635 IN. NOM. DIA;0.218 IN. NOM. DEPT |
| MATT | MATERIAL | STEEL COMP 8620 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL AND AISI/SAE 8620 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Relevant Components for NSN - 3020-00-646-7040, 3020006467040 | ||||
| 3040-00-542-0494 (3040005420494) | 3020-00-622-2406 (3020006222406) | 3040-01-425-4898 (3040014254898) | 3010-01-302-9202 (3010013029202) | |
| 3040-00-709-1500 (3040007091500) | 3020-00-060-2503 (3020000602503) | 3040-00-115-5699 (3040001155699) | 3040-01-251-9385 (3040012519385) | |
| 3040-00-365-5573 (3040003655573) | 3040-01-627-0623 (3040016270623) | 3040-01-424-7581 (3040014247581) | 3040-01-476-8784 (3040014768784) | |
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