PartsTable TECHNICAL DATA SHEET
NSN 2840-01-266-0946Government record, cited

Duct and Cone, Exhaust, Aircraft G2840-01-266-0946

NSN 2840-01-266-0946 · NIIN 012660946 · Part number 123P50603-1
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems · FSC 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · FSG 28 — Engines, Turbines, and Components · CAGE 61174
Government record, cited
NSN 2840-01-266-0946 — this item is cataloged by the U.S. Government under National Stock Number 2840-01-266-0946. Manufacturer of record part number: 123P50603-1.
Also searched as  2840-01-266-0946 · 2840012660946 · NIIN 012660946 · 01-266-0946 · FSC 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · CAGE 61174 · 123P50603-1 · 123P506031 · 123P506031 · 123P506031
Nearby stock numbers  ·
Features
  • Duct and Cone,exhaust,aircraft G — FSC 2840
  • 3 manufacturer part numbers on file
  • Manufacturer of record: Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems
Identification
  • NSN: 2840-01-266-0946
  • NIIN: 012660946
  • FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
  • FSG: 28 — Engines, Turbines, and Components
  • Primary part number: 123P50603-1
  • Manufacturer: Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems
General Description

The Duct and Cone,exhaust,aircraft G, cataloged under National Stock Number 2840-01-266-0946, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.

Technical Specifications
ParameterValue
NSN2840-01-266-0946
Primary Part Number123P50603-1
Item NameDuct and Cone,exhaust,aircraft G
FSC / FSG2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL B — Remove Demilitarization Key Points
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
123P50603-1 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems (USA)
123P506031 Northrop Grumman Systems Corporation (USA)
123P50603-1 Northrop Grumman Technical Services, Inc. (USA)
Reference documents
ReferenceMeaning
123P506031 3/9 Design control — primary reference
Northrop Grumman Systems Corporation
123P506031 5/9 Secondary reference
Capy Machine Shop Inc. Dba Capy Machine Shop Inc
No interchangeability data on file.
Other items in FSC 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2840-00-004-4242
2840-00-004-4242 · Item name not on file
2840-00-021-4702
PLATE,RETAINING,TUB
2840-00-043-0981
BRACKET ASSEMBLY,TUBING
2840-00-043-0982
BRACKET ASSEMBLY,TUBING
2840-00-048-5261
2840-00-048-5261 · Item name not on file
2840-00-407-9165
DIPSTICK,ENGINE
2840-01-171-0875
SEAL,FUEL
2840-01-171-0875
SEAL,FUEL

Frequently Asked Questions

What is NSN 2840-01-266-0946?

NSN 2840-01-266-0946 is a Duct and Cone,exhaust,aircraft G, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.

What part numbers are listed for NSN 2840-01-266-0946?

NSN 2840-01-266-0946 has 3 manufacturer part numbers on file: 123P50603-1 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems), 123P506031 (Northrop Grumman Systems Corporation), 123P50603-1 (Northrop Grumman Technical Services, Inc.).

What are the specifications of 123P50603-1?

Key specifications for 123P50603-1: End Item Identification: AIRCRAFT,GRUMMAN AIRCRAFT CORP,E-2C. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2840-01-266-0946 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 2840-01-266-0946?

NSN 2840-01-266-0946 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.
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