The Seal,metallic,aircraft Gas Turbi, cataloged under National Stock Number 2840-01-325-8541, 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 Unison Engine Components Inc.. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2840-01-325-8541 |
| Primary Part Number | 4062389 |
| Item Name | Seal,metallic,aircraft Gas Turbi |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Unison Engine Components Inc. |
| Status | ACTIVE |
| Stage Number | 9 |
| Criticality Code Justification | AGAV |
| 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 |
|---|---|
| 4062389 PRIMARY | Unison Engine Components Inc. (USA) |
| Reference | Meaning |
|---|---|
| 4062389 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
NSN 2840-01-325-8541 is a Seal,metallic,aircraft Gas Turbi, manufactured by Unison Engine Components Inc., classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-325-8541 has 1 manufacturer part number on file: 4062389 (Unison Engine Components Inc.).
Key specifications for 4062389: Stage Number: 9; Criticality Code Justification: AGAV; End Item Identification: ACFT ENG F100-100-200-220; Material: NICKEL ALLOY OVERALL. 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.