The Gear Cluster, cataloged under National Stock Number 3020-00-102-4354, 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 Heligear Acquisition Co. Dba Northstar Aerospace, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Gear Cluster |
| FSC / FSG | 3020 — Gears, Pulleys, Sprockets, and Transmission Chain (FSG 30) |
| Manufacturers | Heligear Acquisition Co. Dba Northstar Aerospace, Inc. (CAGE 22907) |
| Parameter | Value |
|---|---|
| NSN | 3020-00-102-4354 |
| Primary Part Number | 641037-1 |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Heligear Acquisition Co. Dba Northstar Aerospace, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 641037-1 PRIMARY | Heligear Acquisition Co. Dba Northstar Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 641037 | D/9 Drawing number reference only Heligear Acquisition Co. Dba Northstar Aerospace, Inc. |
NSN 3020-00-102-4354 is a Gear Cluster, manufactured by Heligear Acquisition Co. Dba Northstar Aerospace, Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-102-4354 has 1 manufacturer part number on file: 641037-1 (Heligear Acquisition Co. Dba Northstar Aerospace, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 2540-01-495-7626. Verify interchangeability with system specifications before substitution.
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.