The Fairing,turbine,aircraft Gas Tur, cataloged under National Stock Number 2840-01-487-3640, 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 General Electric Company. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-487-3640 |
| Primary Part Number | 1784M21G03 |
| Item Name | Fairing,turbine,aircraft Gas Tur |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Material Document and Classification | AMS 4911 ASSN STD SINGLE MATERIAL RESPONSE OUTER CASE |
| Engine Section Location | TURBINE |
| Material | TITANIUM ALLOY OUTER CASE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1784M21G03 | Barnes Group Inc. Div Windsor Division (USA) |
| 1784M21G03 PRIMARY | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 1784M21 | D/9 Drawing number reference only General Electric Company |
NSN 2840-01-487-3640 is a Fairing,turbine,aircraft Gas Tur, manufactured by General Electric Company, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-487-3640 has 2 manufacturer part numbers on file: 1784M21G03 (Barnes Group Inc. Div Windsor Division), 1784M21G03 (General Electric Company).
Key specifications for 1784M21G03: Material Document and Classification: AMS 4911 ASSN STD SINGLE MATERIAL RESPONSE OUTER CASE; Overall Length: 4.850 INCHES MINIMUM AND 4.910 INCHES MAXIMUM IN; Engine Section Location: TURBINE; Special Features: SEGMENT IS 140 DEGREE. 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 2840-01-487-3640 has DEMIL Code B. 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.