The Gear Cluster, cataloged under National Stock Number 3020-00-340-0826, 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 Acron Aviation, Inc.. 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 | 3020-00-340-0826 |
| Primary Part Number | 571-1603-52 |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Acron Aviation, Inc. |
| Status | ACTIVE |
| Hub Nominal Diameter | 0.065 INCHES FIRST END IN |
| Hub Nominal Diameter | 0.219 INCHES BETWEEN FIRST AND SECOND GEAR IN |
| Design Type | SPUR SECOND GEAR |
| Design Type | SPUR FIRST GEAR |
| Nominal Overall Length | 0.282 INCHES IN |
| Hub Style Designator | 1 STEP FIRST END |
| Hub Style Designator | PLAIN BETWEEN FIRST AND SECOND GEAR |
| Hub Nominal Length | 0.120 INCHES FIRST END IN |
| Hub Nominal Length | 0.041 INCHES BETWEEN FIRST AND SECOND GEAR IN |
| Nominal Outside Diameter | 0.1550 INCHES SECOND GEAR IN |
| Nominal Outside Diameter | 0.6000 INCHES FIRST GEAR IN |
| Material | STEEL SECOND GEAR |
| Material | STEEL SHAFT/HUB |
| Material | COPPER ALLOY FIRST GEAR |
| Construction | ASSEMBLED |
| 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 |
|---|---|
| 571-1603-52 PRIMARY | Acron Aviation, Inc. (USA) |
NSN 3020-00-340-0826 is a Gear Cluster, manufactured by Acron Aviation, Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-340-0826 has 1 manufacturer part number on file: 571-1603-52 (Acron Aviation, Inc.).
Key specifications for 571-1603-52: Hub Nominal Diameter: 0.065 INCHES FIRST END IN; Hub Nominal Diameter: 0.219 INCHES BETWEEN FIRST AND SECOND GEAR IN; Design Type: SPUR SECOND GEAR; Design Type: SPUR FIRST GEAR. 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.
NSN 3020-00-340-0826 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.