NSN 2840-01-447-4905 · NIIN 014474905 · Part number 4084243CLL
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 2840-01-447-4905 — this item is cataloged by the U.S. Government under National Stock Number 2840-01-447-4905. Manufacturer of record part number: 4084243CLL.
Also searched as2840-01-447-4905 ·
2840014474905 ·
NIIN 014474905 ·
01-447-4905 ·
FSC 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · CAGE 77445 · 4084243CLL · 4084243
Criticality Code Justification: MATT AND ABKW AND ABMK AND ABHP AND FEAT
Blade Attachment Method: SLOT
Diameter: 13.410 INCHES MINIMUM AND 13.450 INCHES MAXIMUM IN
Engine Section Location: LOW PRESSURE TURBINE
Material: NICKEL ALLOY OVERALL
Identification
NSN: 2840-01-447-4905
NIIN: 014474905
FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 4084243CLL
Manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
General Description
The Nozzle Assembly,turbine,aircraft, cataloged under National Stock Number 2840-01-447-4905, 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 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
2840-01-447-4905
Primary Part Number
4084243CLL
Item Name
Nozzle Assembly,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
3
Design Type
AXIAL COMPRESSOR
Criticality Code Justification
MATT AND ABKW AND ABMK AND ABHP AND FEAT
Blade Attachment Method
SLOT
Diameter
13.410 INCHES MINIMUM AND 13.450 INCHES MAXIMUM IN
Engine Section Location
LOW PRESSURE TURBINE
Material
NICKEL ALLOY OVERALL
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 Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
2840-01-447-49094084243CLMPOSSIBLE MATCH
NOZZLE ASSEMBLY,TURBINE,AIRCRAFT
Possible match (shared part number)Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
2840-01-447-49154084243CLPPOSSIBLE MATCH
NOZZLE ASSEMBLY,TURBINE,AIRCRAFT
Possible match (shared part number)Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
2840-01-447-49174084243CLSPOSSIBLE MATCH
NOZZLE ASSEMBLY,TURBINE,AIRCRAFT
Possible match (shared part number)Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
2840-01-447-49184084243CLRPOSSIBLE MATCH
NOZZLE ASSEMBLY,TURBINE,AIRCRAFT
Possible match (shared part number)Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
2840-01-447-77934084243POSSIBLE MATCH
VANE ASSEMBLY,COMPRESSOR,AIRCRAF
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
4084243
D/9Drawing number reference only
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Related Parts
2840-01-447-4909POSSIBLE MATCH
NOZZLE ASSEMBLY,TURBINE,AIRCRAFT
4084243CLM
2840-01-447-4915POSSIBLE MATCH
NOZZLE ASSEMBLY,TURBINE,AIRCRAFT
4084243CLP
2840-01-447-4917POSSIBLE MATCH
NOZZLE ASSEMBLY,TURBINE,AIRCRAFT
4084243CLS
2840-01-447-4918POSSIBLE MATCH
NOZZLE ASSEMBLY,TURBINE,AIRCRAFT
4084243CLR
2840-01-447-7793POSSIBLE MATCH
VANE ASSEMBLY,COMPRESSOR,AIRCRAF
4084243
Frequently Asked Questions
What is NSN 2840-01-447-4905?
NSN 2840-01-447-4905 is a Nozzle Assembly,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 2840-01-447-4905?
NSN 2840-01-447-4905 has 1 manufacturer part number on file: 4084243CLL (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
What NSN replaces 2840-01-447-4905?
5 possible matches (shared part number, not a government interchangeability claim): 2840-01-447-4909, 2840-01-447-4915, 2840-01-447-4917. Verify interchangeability with system specifications before substitution.
What are the specifications of 4084243CLL?
Key specifications for 4084243CLL: Overall Height: 4.717 INCHES MINIMUM AND 4.737 INCHES MAXIMUM IN; Stage Number: 3; Design Type: AXIAL COMPRESSOR; Criticality Code Justification: MATT AND ABKW AND ABMK AND ABHP AND FEAT. 7 specifications are documented in the U.S. Government catalog.
Is NSN 2840-01-447-4905 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 2840-01-447-4905?
NSN 2840-01-447-4905 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.