The Case,fan,aircraft Gas Turbine En, cataloged under National Stock Number 2840-01-200-3490, 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 Unison Industries Llc. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-200-3490 |
| Primary Part Number | 113840 |
| Item Name | Case,fan,aircraft Gas Turbine En |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Unison Industries Llc |
| Status | ACTIVE |
| Criticality Code Justification | MATT AND AGAV |
| Material | STEEL CORROSION RESISTING 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 113840 PRIMARY | Unison Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| 113840 | 5/9 Secondary reference U.S. Government activity |
NSN 2840-01-200-3490 is a Case,fan,aircraft Gas Turbine En, manufactured by Unison Industries Llc, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-200-3490 has 1 manufacturer part number on file: 113840 (Unison Industries Llc).
3 possible matches (shared part number, not a government interchangeability claim): 6750-01-427-0659, 6635-01-445-6992, 5340-01-736-1494. Verify interchangeability with system specifications before substitution.
Key specifications for 113840: Criticality Code Justification: MATT AND AGAV; End Item Identification: ACFT ENG F100; Material: STEEL CORROSION RESISTING OVERALL. 2 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 2840-01-200-3490 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.