The Duct,turbine,aircraft Gas Turbin, cataloged under National Stock Number 2840-01-472-3043, is classified within Federal Supply Class 2840 (Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is The Boeing Company. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-472-3043 |
| Primary Part Number | 7-511711042-3 |
| Item Name | Duct,turbine,aircraft Gas Turbin |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Engine Section Location | TURBINE |
| Material | STEEL COMP 321 DUCT |
| 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 |
|---|---|
| 7-511711042-3 PRIMARY | The Boeing Company (USA) |
| 7-511711042-3 | Heligear Acquisition Co. Dba Northstar Aerospace Phoenix (USA) |
NSN 2840-01-472-3043 is a Duct,turbine,aircraft Gas Turbin, manufactured by The Boeing Company, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-472-3043 has 2 manufacturer part numbers on file: 7-511711042-3 (The Boeing Company), 7-511711042-3 (Heligear Acquisition Co. Dba Northstar Aerospace Phoenix).
Key specifications for 7-511711042-3: Engine Section Location: TURBINE; Special Features: TUBULAR-SHAPED ITEM THAT BENDS AT A 38 DEGREE ANGLE WITH A FLANGE ON ONE END; Part Name Assigned by Controlling Agency: DUCT ASSY - AIR TURBINE STARTER SUPPLY, LH; End Item Identification: LONGBOW APACHE. 2 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 2840-01-472-3043 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.