The Duct,exhaust,aircraft Gas Turbin, cataloged under National Stock Number 2840-01-525-4776, is classified within Federal Supply Class 2840 (Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components) of the Engines, Turbines, and Components group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-525-4776 |
| Item Name | Duct,exhaust,aircraft Gas Turbin |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Status | ACTIVE |
| Material Document and Classification | ASTM B409 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 7.120 INCHES NOMINAL IN |
| Engine Section Location | EXHAUST |
| Material | ALUMINUM ALLOY OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 20090677 | D/9 Drawing number reference only U.S. Government activity |
| 20090677-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2840-01-525-4776 is a Duct,exhaust,aircraft Gas Turbin, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
Key specifications for 2840-01-525-4776: Material Document and Classification: ASTM B409 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Diameter: 7.120 INCHES NOMINAL IN; Overall Length: 18.000 INCHES NOMINAL IN; Engine Section Location: EXHAUST. 4 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.
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.