The Liner,combustion Chamber,aircraf, cataloged under National Stock Number 2840-01-448-7553, 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 3 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 2840-01-448-7553 |
| Primary Part Number | 4084083 |
| Item Name | Liner,combustion Chamber,aircraf |
| 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 |
| Criticality Code Justification | AGAV |
| Engine Section Location | COMBUSTION CHAMBER |
| Material | NICKEL ALLOY INNER LINER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 4084083 | Rtx Corporation Div Pratt & Whitney (USA) |
| 4084083 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 2840PL0788968 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 2840-01-448-7553 is a Liner,combustion Chamber,aircraf, 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 2840-01-448-7553 has 2 manufacturer part numbers on file: 4084083 (Rtx Corporation Div Pratt & Whitney), 4084083 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 4084083: Criticality Code Justification: AGAV; Overall Length: 4.276 INCHES MINIMUM AND 4.388 INCHES MAXIMUM IN; Engine Section Location: COMBUSTION CHAMBER; Part Name Assigned by Controlling Agency: LINER SEGMENT COMBUSTION CHAMBER DUCT, 2 ID. 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 2840-01-448-7553 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.