NSN 2840-01-243-5557 · NIIN 012435557 · Part number 4071452CLC
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 2840-01-243-5557 — this item is cataloged by the U.S. Government under National Stock Number 2840-01-243-5557. Manufacturer of record part number: 4071452CLC.
Also searched as2840-01-243-5557 ·
2840012435557 ·
NIIN 012435557 ·
01-243-5557 ·
FSC 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · CAGE 77445 · 4071452CLC · 4071452
Manufacturer of record: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Identification
NSN: 2840-01-243-5557
NIIN: 012435557
FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 4071452CLC
Manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
General Description
The Nozzle Segment,turbine,aircraft, cataloged under National Stock Number 2840-01-243-5557, 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 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2840-01-243-5557
Primary Part Number
4071452CLC
Item Name
Nozzle Segment,turbine,aircraft
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
FEAT
Engine Section Location
COMPRESSOR
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL B — Remove Demilitarization Key Points
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
Y
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
2840-01-243-55584071452CLDPOSSIBLE MATCH
NOZZLE SEGMENT,TURBINE,AIRCRAFT
Possible match (shared part number)Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
2840-01-243-55594071452CLEPOSSIBLE MATCH
NOZZLE SEGMENT,TURBINE,AIRCRAFT
Possible match (shared part number)Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
2840-01-243-55604071452CLFPOSSIBLE MATCH
NOZZLE SEGMENT,TURBINE,AIRCRAFT
Possible match (shared part number)Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
2840-01-243-55614071452CLGPOSSIBLE MATCH
NOZZLE SEGMENT,TURBINE,AIRCRAFT
Possible match (shared part number)Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Reference documents
Reference
Meaning
4071452
D/9Drawing number reference only
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Related Parts
2840-01-243-5558POSSIBLE MATCH
NOZZLE SEGMENT,TURBINE,AIRCRAFT
4071452CLD
2840-01-243-5559POSSIBLE MATCH
NOZZLE SEGMENT,TURBINE,AIRCRAFT
4071452CLE
2840-01-243-5560POSSIBLE MATCH
NOZZLE SEGMENT,TURBINE,AIRCRAFT
4071452CLF
2840-01-243-5561POSSIBLE MATCH
NOZZLE SEGMENT,TURBINE,AIRCRAFT
4071452CLG
Frequently Asked Questions
What is NSN 2840-01-243-5557?
NSN 2840-01-243-5557 is a Nozzle Segment,turbine,aircraft, 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 2840-01-243-5557?
NSN 2840-01-243-5557 has 1 manufacturer part number on file: 4071452CLC (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
What NSN replaces 2840-01-243-5557?
4 possible matches (shared part number, not a government interchangeability claim): 2840-01-243-5558, 2840-01-243-5559, 2840-01-243-5560. Verify interchangeability with system specifications before substitution.
What are the specifications of 4071452CLC?
Key specifications for 4071452CLC: Stage Number: 2; Design Type: AXIAL COMPRESSOR; Criticality Code Justification: FEAT; Engine Section Location: COMPRESSOR. 4 specifications are documented in the U.S. Government catalog.
Is NSN 2840-01-243-5557 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 2840-01-243-5557?
NSN 2840-01-243-5557 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.