The Gear Cluster, cataloged under National Stock Number 3020-00-804-3860, 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 L3harris Interstate Electronics Corporation. Government technical data includes 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-804-3860 |
| Primary Part Number | 520-1-117 |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | L3harris Interstate Electronics Corporation |
| Status | ACTIVE |
| Hub Nominal Diameter | 0.047 INCHES BOTH ENDS IN |
| Design Type | SPUR SECOND GEAR |
| Design Type | SPUR FIRST GEAR |
| Nominal Overall Length | 0.500 INCHES IN |
| Hub Style Designator | 1 STEP BOTH ENDS |
| Hub Nominal Length | 0.156 INCHES FIRST END IN |
| Hub Nominal Length | 0.078 INCHES SECOND END IN |
| Nominal Outside Diameter | 0.225 INCHES SECOND GEAR IN |
| Nominal Outside Diameter | 0.8500 INCHES FIRST GEAR IN |
| Surface Treatment | PASSIVATE SECOND GEAR |
| Surface Treatment | PASSIVATE SHAFT/HUB |
| Material | ALUMINUM ALLOY FIRST GEAR |
| Material | STEEL CORROSION RESISTING SECOND GEAR |
| Material | STEEL CORROSION RESISTING SHAFT/HUB |
| Construction | ASSEMBLED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 520-1-117 PRIMARY | L3harris Interstate Electronics Corporation (USA) |
NSN 3020-00-804-3860 is a Gear Cluster, manufactured by L3harris Interstate Electronics Corporation, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-804-3860 has 1 manufacturer part number on file: 520-1-117 (L3harris Interstate Electronics Corporation).
Key specifications for 520-1-117: Hub Nominal Diameter: 0.047 INCHES BOTH ENDS IN; Design Type: SPUR SECOND GEAR; Design Type: SPUR FIRST GEAR; Nominal Overall Length: 0.500 INCHES IN. 15 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.
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.