The Support,turbine Duct, cataloged under National Stock Number 2840-00-274-9591, 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 3 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2840-00-274-9591 |
| Primary Part Number | 729790 |
| Item Name | Support,turbine Duct |
| 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 |
| Overall Diameter | 25.140 INCHES MINIMUM AND 25.160 INCHES MAXIMUM IN |
| Criticality Code Justification | MATT AND ABHP AND ADAV |
| Material | NICKEL ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 729790 | Beacon Industries, Inc. Dba Beacon Technology Co (USA) |
| 729790 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 729790 | Bogue Executive Enterprises Inc Dba/dexter Tool Co (USA) |
| 729790 | Electro-Methods, L.p. (USA) |
| 729790 | Barnes Group Inc. Div Windsor Division (USA) |
| 729790 | Unison Engine Components Inc (USA) |
| 729790 | Hanwha Aerospace Usa Llc (USA) |
| Reference | Meaning |
|---|---|
| 729790 | 5/9 Secondary reference Mtu Aero Engine Components Inc |
| 729790 | 5/9 Secondary reference Machine Products Co Inc |
NSN 2840-00-274-9591 is a Support,turbine Duct, 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 2840-00-274-9591 has 7 manufacturer part numbers on file: 729790 (Beacon Industries, Inc. Dba Beacon Technology Co), 729790 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 729790 (Bogue Executive Enterprises Inc Dba/dexter Tool Co), 729790 (Electro-Methods, L.p.), 729790 (Barnes Group Inc. Div Windsor Division) and 2 more.
Key specifications for 729790: Overall Diameter: 25.140 INCHES MINIMUM AND 25.160 INCHES MAXIMUM IN; Criticality Code Justification: MATT AND ABHP AND ADAV; Overall Length: 1.750 INCHES MINIMUM AND 1.780 INCHES MAXIMUM IN; End Item Identification: ENGINE MODEL TF30. 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 2840-00-274-9591 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.