The Duct,exhaust,aircraft Gas Turbin, cataloged under National Stock Number 2840-01-319-8757, 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 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 5 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-319-8757 |
| Primary Part Number | 4073476-01 |
| Item Name | Duct,exhaust,aircraft Gas Turbin |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Material Document and Classification | AMS4911 ASSN STD SINGLE MATERIAL RESPONSE DUCT |
| Diameter | 39.374 INCHES MINIMUM AND 39.394 INCHES MAXIMUM IN |
| Engine Section Location | COMBUSTION CHAMBER |
| Material | TITANIUM ALLOY DUCT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 4073476-01 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 2840-01-319-8757 is a Duct,exhaust,aircraft Gas Turbin, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-319-8757 has 1 manufacturer part number on file: 4073476-01 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 4073476-01: Criticality Code Justification: AGAV; Material Document and Classification: AMS4911 ASSN STD SINGLE MATERIAL RESPONSE DUCT; Diameter: 39.374 INCHES MINIMUM AND 39.394 INCHES MAXIMUM IN; Overall Length: 7.300 INCHES MINIMUM AND 7.320 INCHES MAXIMUM IN. 5 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 2840-01-319-8757 has DEMIL Code D. 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.