The Gear Cluster, cataloged under National Stock Number 3020-01-128-4680, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Moog Military Aircraft Llc. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-128-4680 |
| Primary Part Number | 2046374-1 |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Moog Military Aircraft Llc |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.503 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.813 INCHES BETWEEN FIRST AND SECOND GEAR IN |
| Hub Nominal Diameter | 0.813 INCHES BETWEEN SECOND AND THIRD GEAR IN |
| Design Type | SPUR SECOND GEAR |
| Design Type | SPUR FIRST GEAR |
| Design Type | SPUR THIRD GEAR |
| Bore Style | PLAIN BOTH ENDS |
| Hardness Rating | 89.3 ROCKWELL SUPERFICIAL 15-N NOMINAL OVERALL |
| Nominal Overall Length | 3.340 INCHES IN |
| Material Document and Classification | AMS 6526 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Hub Style Designator | PLAIN BETWEEN SECOND AND THIRD GEAR |
| Hub Style Designator | PLAIN BETWEEN FIRST AND SECOND GEAR |
| Hub Nominal Length | 0.433 INCHES BETWEEN FIRST AND SECOND GEAR IN |
| Hub Nominal Length | 0.433 INCHES BETWEEN SECOND AND THIRD GEAR IN |
| Nominal Outside Diameter | 1.1190 INCHES FIRST GEAR IN |
| Nominal Outside Diameter | 1.1190 INCHES THIRD GEAR IN |
| Nominal Outside Diameter | 1.2150 INCHES SECOND GEAR IN |
| Material | STEEL OVERALL |
| Construction | SOLID |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2046374-1 PRIMARY | Moog Military Aircraft Llc (USA) |
| Reference | Meaning |
|---|---|
| 2046374 | D/9 Drawing number reference only Honeywell International Inc. Div Aerospace - Torrance |
| 2046374-1 | 5/9 Secondary reference Honeywell International Inc. Div Aerospace - Torrance |
| 10106678 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 3020-01-128-4680 is a Gear Cluster, manufactured by Moog Military Aircraft Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-128-4680 has 1 manufacturer part number on file: 2046374-1 (Moog Military Aircraft Llc).
Key specifications for 2046374-1: Bore Nominal Diameter: 0.503 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.813 INCHES BETWEEN FIRST AND SECOND GEAR IN; Hub Nominal Diameter: 0.813 INCHES BETWEEN SECOND AND THIRD GEAR IN; Design Type: SPUR SECOND GEAR. 19 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 3020-01-128-4680 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.