NSN 2840-00-446-0538 · NIIN 004460538 · Part number 422525
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · FSC 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · FSG 28 — Engines, Turbines, and Components · CAGE 77445
Government record, cited
NSN 2840-00-446-0538 — this item is cataloged by the U.S. Government under National Stock Number 2840-00-446-0538. Manufacturer of record part number: 422525.
Also searched as2840-00-446-0538 ·
2840004460538 ·
NIIN 004460538 ·
00-446-0538 ·
FSC 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · CAGE 77445 · 422525
Manufacturer of record: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Identification
NSN: 2840-00-446-0538
NIIN: 004460538
FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 422525
Manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
General Description
The Heatshield Assembly, cataloged under National Stock Number 2840-00-446-0538, 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. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Heatshield Assembly
FSC / FSG
2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components (FSG 28)
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5995-01-429-1215POSSIBLE MATCH
CABLE ASSEMBLY,RADIO FREQUENCY
42252-5
1680-01-561-2430POSSIBLE MATCH
PURGE MODE VALVE,AI
422525
5340-01-569-9512POSSIBLE MATCH
BRACKET,MOUNTING
422525
Frequently Asked Questions
What is NSN 2840-00-446-0538?
NSN 2840-00-446-0538 is a Heatshield Assembly, 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.
What part numbers are listed for NSN 2840-00-446-0538?
NSN 2840-00-446-0538 has 1 manufacturer part number on file: 422525 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
What NSN replaces 2840-00-446-0538?
3 possible matches (shared part number, not a government interchangeability claim): 5995-01-429-1215, 1680-01-561-2430, 5340-01-569-9512. Verify interchangeability with system specifications before substitution.
Is NSN 2840-00-446-0538 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 2840-00-446-0538?
NSN 2840-00-446-0538 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.