The Duct,exhaust,aircraft Gas Turbin, cataloged under National Stock Number 2840-01-085-4675, 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 4 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-085-4675 |
| Primary Part Number | 765679 |
| 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 |
| Material Document and Classification | AMS 5536 ASSN STD SINGLE MATERIAL RESPONSE OVERALLAMS 5536 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 14.735 INCHES MINIMUM AND 14.735 INCHES MINIMUM AND 14.765 INCHES MAXIMUM14.765 INCHES MAXIMUM IN |
| Engine Section Location | EXHAUSTEXHAUST |
| Material | NICKEL ALLOY OVERALL |
| 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 |
|---|---|
| 765679 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 765679 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 765679 | 5/9 Secondary reference Pcx Aerosystems-Manchester, Llc Dba Pcx Aerosystems - Manchester Llc |
| 765679 | 5/9 Secondary reference Electro-Methods, L.p. |
| 765679 | 5/9 Secondary reference Barnes Group Inc. Div Windsor Division |
NSN 2840-01-085-4675 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 2840-01-085-4675 has 1 manufacturer part number on file: 765679 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 765679: Material Document and Classification: AMS 5536 ASSN STD SINGLE MATERIAL RESPONSE OVERALLAMS 5536 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Diameter: 14.735 INCHES MINIMUM AND 14.735 INCHES MINIMUM AND 14.765 INCHES MAXIMUM14.765 INCHES MAXIMUM IN; Overall Length: 3.710 INCHES MINIMUM AND 3.710 INCHES MINIMUM AND 3.730 INCHES MAXIMUM3.730 INCHES MAXIMUM IN; Engine Section Location: EXHAUSTEXHAUST. 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.
NSN 2840-01-085-4675 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.