The Seal,air,aircraft Gas Turbine En, cataloged under National Stock Number 2840-00-768-2079, 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 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Seal,air,aircraft Gas Turbine En |
| FSC / FSG | 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components (FSG 28) |
| Manufacturers | Lewis Machine, Llc (CAGE 3V183); J.t. Slocomb Corp (CAGE 55282); Electro-Methods, L.p. (CAGE 33617); Tech Manufacturing, Llc (CAGE 11673); Unison Engine Components, Inc. Dba Unison Engine Components (CAGE 50255) |
| Parameter | Value |
|---|---|
| NSN | 2840-00-768-2079 |
| Primary Part Number | 358099 |
| Item Name | Seal,air,aircraft Gas Turbine En |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Stage Number | 4 |
| Design Type | AXIAL COMPRESSOR |
| Criticality Code Justification | APGF AND CZBJ AND ABHP AND ABMZ |
| Material Document and Classification | AMS4125 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 18.480 INCHES NOMINAL IN |
| Engine Section Location | COMPRESSOR |
| Material | ALUMINUM 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 |
|---|---|
| 358099 | Lewis Machine, Llc (USA) |
| 358099 | J.t. Slocomb Corp (USA) |
| 358099 | Electro-Methods, L.p. (USA) |
| 358099 | Tech Manufacturing, Llc (USA) |
| 358099 | Unison Engine Components, Inc. Dba Unison Engine Components (USA) |
| 358099 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 358099 | 5/2 Secondary reference U.S. Government activity |
NSN 2840-00-768-2079 is a Seal,air,aircraft Gas Turbine En, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-00-768-2079 has 6 manufacturer part numbers on file: 358099 (Lewis Machine, Llc), 358099 (J.t. Slocomb Corp), 358099 (Electro-Methods, L.p.), 358099 (Tech Manufacturing, Llc), 358099 (Unison Engine Components, Inc. Dba Unison Engine Components) and 1 more.
Key specifications for 358099: Stage Number: 4; Design Type: AXIAL COMPRESSOR; Criticality Code Justification: APGF AND CZBJ AND ABHP AND ABMZ; Material Document and Classification: AMS4125 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 7 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.