The Seal,air,aircraft Gas Turbine En, cataloged under National Stock Number 2840-01-448-4926, 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 5 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-448-4926 |
| Primary Part Number | 4082791-01 |
| 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 | 2 |
| Design Type | AXIAL COMPRESSOR |
| Criticality Code Justification | AGAV |
| Engine Section Location | TURBINE |
| Material | NICKEL ALLOY OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 4082791-01 | Hanwha Aerospace Co., Ltd Div Ps Business Unit (KOR) |
| 4082791-01 | Rtx Corporation Div Pratt & Whitney (USA) |
| 4082791-01 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 4082791-01 | Union Machine Co of Lynn, Inc (USA) |
| Reference | Meaning |
|---|---|
| 2840PL1303372 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| KDS 2840-1150 | 5/1 Secondary reference Defense Acquisition Program Administration, R.o.k |
NSN 2840-01-448-4926 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 2840-01-448-4926 has 4 manufacturer part numbers on file: 4082791-01 (Hanwha Aerospace Co., Ltd Div Ps Business Unit), 4082791-01 (Rtx Corporation Div Pratt & Whitney), 4082791-01 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4082791-01 (Union Machine Co of Lynn, Inc).
Key specifications for 4082791-01: Stage Number: 2; Design Type: AXIAL COMPRESSOR; Criticality Code Justification: AGAV; Overall Length: 18.967 INCHES MINIMUM AND 18.977 INCHES MAXIMUM IN. 5 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 2840-01-448-4926 has DEMIL Code D. 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.