The Seal,metallic,aircraft Gas Turbi, cataloged under National Stock Number 2840-01-146-9394, 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 10 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-146-9394 |
| Primary Part Number | 9978M69G40 |
| Item Name | Seal,metallic,aircraft Gas Turbi |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Engine Section Location | COMPRESSOR |
| Material | STEEL 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 | X |
| Part Number | Manufacturer |
|---|---|
| 9978M69G40 | Enjet Aero Dayton Inc (USA) |
| 9978M69G40 | Electro-Methods, L.p. (USA) |
| 9978M69G40 | Ferrotherm, Llc Div Ferrotherm (USA) |
| 9978M69G40 | Barnes Group Inc Dba Barnes Group Inc Div West Chester Division (USA) |
| 9978M69G40 | Steel Tool & Engineering Co (USA) |
| 9978M69G40 | J.t. Slocomb Corp (USA) |
| 9978M69G40 | Tube Processing Corp Div Aerofab (USA) |
| 9978M69G40 | Metro Machine Works Inc (USA) |
| 9978M69G40 PRIMARY | General Electric Company (USA) |
| 9978M69G40 | Columbia Manufacturing, Inc (USA) |
| Reference | Meaning |
|---|---|
| 9978M69G34 | 5/9 Secondary reference General Electric Company |
| 9978M69G40 | 5/9 Secondary reference Hardcote Technologies Inc |
| 9978M69G40 | 5/9 Secondary reference Unison Engine Components Inc. |
NSN 2840-01-146-9394 is a Seal,metallic,aircraft Gas Turbi, manufactured by General Electric Company, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-146-9394 has 10 manufacturer part numbers on file: 9978M69G40 (Enjet Aero Dayton Inc), 9978M69G40 (Electro-Methods, L.p.), 9978M69G40 (Ferrotherm, Llc Div Ferrotherm), 9978M69G40 (Barnes Group Inc Dba Barnes Group Inc Div West Chester Division), 9978M69G40 (Steel Tool & Engineering Co) and 5 more.
Key specifications for 9978M69G40: Criticality Code Justification: AGAV; Overall Length: 1.745 INCHES NOMINAL IN; Engine Section Location: COMPRESSOR; End Item Identification: ACFT ENG F101. 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 2840-01-146-9394 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.