NSN 2840-00-396-5343 · NIIN 003965343 · Part number 221203
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 2840-00-396-5343 — this item is cataloged by the U.S. Government under National Stock Number 2840-00-396-5343. Manufacturer of record part number: 221203.
Also searched as2840-00-396-5343 ·
2840003965343 ·
NIIN 003965343 ·
00-396-5343 ·
FSC 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · CAGE 77445 · 221203
Manufacturer of record: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Identification
NSN: 2840-00-396-5343
NIIN: 003965343
FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 221203
Manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
General Description
The Tube Assembly,turbi, cataloged under National Stock Number 2840-00-396-5343, 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
Tube Assembly,turbi
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
4730-01-363-9846POSSIBLE MATCH
CAP,RETENTION,PRESSURE PLUG
221203
4730-01-552-8031POSSIBLE MATCH
CAP,RETENTION,PRESSURE PLUG
221203
4720-01-675-0891POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
221203
Frequently Asked Questions
What is NSN 2840-00-396-5343?
NSN 2840-00-396-5343 is a Tube Assembly,turbi, 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 2840-00-396-5343?
NSN 2840-00-396-5343 has 1 manufacturer part number on file: 221203 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
What NSN replaces 2840-00-396-5343?
3 possible matches (shared part number, not a government interchangeability claim): 4730-01-363-9846, 4730-01-552-8031, 4720-01-675-0891. Verify interchangeability with system specifications before substitution.
Is NSN 2840-00-396-5343 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.
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.