The Liner,combustion Chamber,aircraf, cataloged under National Stock Number 2840-01-449-1573, 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 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2840-01-449-1573 |
| Primary Part Number | 4084071-01 |
| 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 |
| Hardness Rating | 36.0 ROCKWELL C NOMINAL OVERALL |
| Material Document and Classification | PWA1042 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 33.935 INCHES NOMINAL IN |
| Engine Section Location | COMBUSTION CHAMBER |
| Material | COBALT 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 |
|---|---|
| 4084071-01 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 2840PL1818120 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 4084071 | D/9 Drawing number reference only Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
NSN 2840-01-449-1573 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 2840-01-449-1573 has 1 manufacturer part number on file: 4084071-01 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 4084071-01: Hardness Rating: 36.0 ROCKWELL C NOMINAL OVERALL; Material Document and Classification: PWA1042 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Diameter: 33.935 INCHES NOMINAL IN; Overall Length: 9.660 INCHES MINIMUM AND 9.700 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 2840-01-449-1573 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.