The Gear Cluster, cataloged under National Stock Number 3020-01-164-3971, 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 The Boeing Company. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-164-3971 |
| Primary Part Number | 7-211310027-3 |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 7-211310027-3 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 7-211310027-3 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
| 7-211310027 | 5/9 Secondary reference Heligear Acquisition Co. Dba Northstar Aerospace, Inc. |
| 7-211310027 | 5/9 Secondary reference International Gear Corp |
| 7-211310027 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
| 7-211310027 | 3/9 Design control — primary reference The Boeing Company |
| 7-211310027 | 5/9 Secondary reference Pcx Aerosystems-Manchester, Llc Dba Pcx Aerosystems - Manchester Llc |
NSN 3020-01-164-3971 is a Gear Cluster, manufactured by The Boeing Company, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-164-3971 has 1 manufacturer part number on file: 7-211310027-3 (The Boeing Company).
Key specifications for 7-211310027-3: End Item Identification: AH-64 AIRFRAME, ROTARY WING AIRCRAFT. 0 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 3020-01-164-3971 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.