The Seal,metallic,aircraft Gas Turbi, cataloged under National Stock Number 2840-01-365-8245, 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 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-365-8245 |
| Primary Part Number | 1668M40G01 |
| 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 |
| Diameter | 15.150 INCHES MINIMUM AND 15.160 INCHES MAXIMUM IN |
| Material | NICKEL ALLOY OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 1668M40G01 | Union Machine Co of Lynn, Inc (USA) |
| 1668M40G01 | Metro Machine Works Inc (USA) |
| 1668M40G01 | Wall Colmonoy Corp Div Aerobraze Cincinnati (USA) |
| 1668M40G01 | Twigg Corp (USA) |
| 1668M40G01 PRIMARY | General Electric Company (USA) |
| 1668M40G01 | Unison Engine Components Inc. (USA) |
NSN 2840-01-365-8245 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 2840-01-365-8245 has 6 manufacturer part numbers on file: 1668M40G01 (Union Machine Co of Lynn, Inc), 1668M40G01 (Metro Machine Works Inc), 1668M40G01 (Wall Colmonoy Corp Div Aerobraze Cincinnati), 1668M40G01 (Twigg Corp), 1668M40G01 (General Electric Company) and 1 more.
Key specifications for 1668M40G01: Criticality Code Justification: AGAV; Diameter: 15.150 INCHES MINIMUM AND 15.160 INCHES MAXIMUM IN; Overall Length: 1.015 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN; End Item Identification: F101-GE-102 ACFT ENG. 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.
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.