The Flange,tachometer D, cataloged under National Stock Number 2840-00-784-3993, 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 Baykar Piaggio Aerospace S.p.a.. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Flange,tachometer D |
| FSC / FSG | 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components (FSG 28) |
| Manufacturers | Baykar Piaggio Aerospace S.p.a. (CAGE A0189) |
| Parameter | Value |
|---|---|
| NSN | 2840-00-784-3993 |
| Primary Part Number | 1-080-256-01 |
| Item Name | Flange,tachometer D |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Baykar Piaggio Aerospace S.p.a. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 1-080-256-01 | Baykar Piaggio Aerospace S.p.a. (ITA) |
| Reference | Meaning |
|---|---|
| 1-080-256-01 | 3/2 Design control — primary reference U.S. Government activity |
| 1-080-256-01 | 5/9 Secondary reference U.S. Government activity |
NSN 2840-00-784-3993 is a Flange,tachometer D, manufactured by Baykar Piaggio Aerospace S.p.a., classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-00-784-3993 has 1 manufacturer part number on file: 1-080-256-01 (Baykar Piaggio Aerospace S.p.a.).
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 2840-00-784-3993 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.