AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| 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) | 00-956-9945 (009569945) |
| NCB Code | USA (00) |
| Manufacturer | Whippany Actuation Systems Llc, Ge Aviation Systems Ltd |
| MRC | Criteria | Characteristic |
|---|---|---|
| APGF | DESIGN TYPE | HELICAL SECOND GEAR |
| APGF | DESIGN TYPE | SPUR FIRST GEAR |
| CQCF | CONSTRUCTION | SOLID |
| CQFM | HARDNESS RATING | 43.0 ROCKWELL C MINIMUM OVERALL AND 47.0 ROCKWELL C MAXIMUM OVERALL |
| CWCD | NOMINAL OUTSIDE DIAMETER | 0.2470 INCHES FIRST GEAR |
| CWCD | NOMINAL OUTSIDE DIAMETER | 1.1240 INCHES SECOND GEAR |
| CWFR | NOMINAL OVERALL LENGTH | 0.860 INCHES |
| CWQN | HUB NOMINAL LENGTH | 0.130 INCHES SECOND END |
| CWTR | HUB STYLE DESIGNATOR | PLAIN SECOND END |
| CWTX | HUB NOMINAL DIAMETER | 0.125 INCHES SECOND END |
| CWWK | PRECISION CLASSIFICATION | QUALITY NUMBER 10 ALL GEARS OR QUALITY NUMBER 9 ALL GEARS |
| MATT | MATERIAL | STEEL COMP 4140 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | OXIDE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Relevant Components for NSN - 3020-00-956-9945, 3020009569945 | ||||
| 3040-99-750-9441 (3040997509441) | 3040-01-309-9880 (3040013099880) | 3020-00-056-1680 (3020000561680) | 3040-01-592-1774 (3040015921774) | |
| 3040-01-340-6053 (3040013406053) | 3040-01-424-7637 (3040014247637) | 3020-00-762-8849 (3020007628849) | 3040-01-411-4890 (3040014114890) | |
| 3020-01-163-7221 (3020011637221) | 3030-00-041-2888 (3030000412888) | 3030-00-421-7151 (3030004217151) | 3040-01-256-3453 (3040012563453) | |
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