The Shield,heat,aircraft Gas Turbine, cataloged under National Stock Number 2840-01-502-4623, 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 The Boeing Company Div Defense. Government technical data includes 4 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-502-4623 |
| Primary Part Number | 74A340871-2020 |
| Item Name | Shield,heat,aircraft Gas Turbine |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| FSC Application Data | HIGHER ASSY IS CENTER, AFT, VERTICAL |
| Criticality Code Justification | AGAV |
| Material Document and Classification | MIL-T-9046 (6AL-4V, COND A) MIL SPEC SINGLE MATERIAL RESPONSE OVERALL V |
| Material | TITANIUM 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 |
|---|---|
| 74A340871-2020 | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| 74A340871-2020 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 2840-01-502-4623 is a Shield,heat,aircraft Gas Turbine, manufactured by The Boeing Company Div Defense, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-502-4623 has 2 manufacturer part numbers on file: 74A340871-2020 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems), 74A340871-2020 (The Boeing Company Div Defense).
Key specifications for 74A340871-2020: Overall Height: 0.032 INCHES NOMINAL IN; FSC Application Data: HIGHER ASSY IS CENTER, AFT, VERTICAL; Criticality Code Justification: AGAV; Material Document and Classification: MIL-T-9046 (6AL-4V, COND A) MIL SPEC SINGLE MATERIAL RESPONSE OVERALL V. 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 2840-01-502-4623 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.