| Item Name | Gear Cluster |
| INC Code | 36636 |
| Federal Supply Group (FSG) | Mechanical Power Transmission Equipment |
| Federal Supply Class (FSC) | 3020 Gears Pulleys Sprockets and Transmission Chain |
| National Item Identification Number (NIIN) | 00-476-3003 (004763003) |
| NCB Code | USA (00) |
| Manufacturer | Lockheed Martin Corporation, Northrop Grumman Systems Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABSX | ATTACHMENT METHOD | MOUNTING HOLE |
| ANTP | BORE STYLE | W/COUNTERBORE FIRST END |
| APGF | DESIGN TYPE | SPUR FIRST GEAR |
| APGF | DESIGN TYPE | SPUR SECOND GEAR |
| CBBL | FEATURES PROVIDED | MOUNTING BOLT HEAD ACCOMMODATION ADJACENT TO SECOND END |
| CQCF | CONSTRUCTION | SOLID |
| CWCD | NOMINAL OUTSIDE DIAMETER | 13.123 INCHES SECOND GEAR |
| CWCD | NOMINAL OUTSIDE DIAMETER | 13.530 INCHES FIRST GEAR |
| CWFR | NOMINAL OVERALL LENGTH | 0.812 INCHES |
| CWQN | HUB NOMINAL LENGTH | 0.094 INCHES BETWEEN FIRST AND SECOND GEAR |
| CWQN | HUB NOMINAL LENGTH | 0.2180 INCHES FIRST END |
| CWRS | BORE NOMINAL DIAMETER | 12.062 INCHES BOTH ENDS |
| CWTB | COUNTERBORE NOMINAL DEPTH | 0.125 INCHES FIRST END |
| CWTG | COUNTERBORE NOMINAL DIAMETER | 12.938 INCHES FIRST END |
| CWTR | HUB STYLE DESIGNATOR | PLAIN BETWEEN FIRST AND SECOND GEAR |
| CWTR | HUB STYLE DESIGNATOR | PLAIN FIRST END |
| CWTX | HUB NOMINAL DIAMETER | 12.953 INCHES BETWEEN FIRST AND SECOND GEAR |
| CWTX | HUB NOMINAL DIAMETER | 13.312 INCHES FIRST END |
| CWWK | PRECISION CLASSIFICATION | QUALITY NUMBER 12 ALL GEARS |
| MATT | MATERIAL | ALUMINUM ALLOY OVERALL |
| Relevant Components for NSN - 3020-00-476-3003, 3020004763003 | ||||
| 3020-01-276-6140 (3020012766140) | 3020-01-170-2566 (3020011702566) | 3020-01-133-4631 (3020011334631) | 3020-00-893-8320 (3020008938320) | |
| 3020-01-182-9434 (3020011829434) | 3020-01-443-0979 (3020014430979) | 3020-00-719-7965 (3020007197965) | 3020-00-850-2436 (3020008502436) | |
| 3020-01-513-8232 (3020015138232) | 3020-00-030-0795 (3020000300795) | 3020-00-391-9534 (3020003919534) | 3020-01-487-4509 (3020014874509) | |
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