The Duct,turbine,aircraft Gas Turbin, cataloged under National Stock Number 2840-01-472-8686, 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 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-472-8686 |
| Primary Part Number | 7-511712043-3 |
| 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 |
| Diameter | 2.000 INCHES NOMINAL IN |
| Material Thickness | 0.028 INCHES NOMINAL IN |
| 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 |
|---|---|
| 7-511712043-3 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 35956-3 | 5/9 Secondary reference Heligear Acquisition Co. Dba Northstar Aerospace Phoenix |
| 7-511712043 | D/9 Drawing number reference only The Boeing Company |
NSN 2840-01-472-8686 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 2840-01-472-8686 has 1 manufacturer part number on file: 7-511712043-3 (The Boeing Company).
Key specifications for 7-511712043-3: Diameter: 2.000 INCHES NOMINAL IN; Overall Length: 9.130 INCHES NOMINAL IN; Material Thickness: 0.028 INCHES NOMINAL IN; Special Features: DUCT IS THE SAME AS P/N 7-511712043-1 EXCEPT LENGTH IS .18 IN. SHORTER DUE TO PART RECONFIGURATION, MUST MEET THE FOLLOWING REQUIREMENTS: OPERATING MEDIUM-AIR, TEMP-550 DEGREES FAHRENHEIT, PRESSURE-60 PSIG MAX, PROOF PRESSURE-120 PSIG MIN., BURST PRESSURE-180 PSIG IN. 3 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 2840-01-472-8686 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.