PartsTable TECHNICAL DATA SHEET
NSN 2840-01-546-0640Government record, cited

Duct Elbow Assy2840-01-546-0640

NSN 2840-01-546-0640 · NIIN 015460640 · Part number 369D28301-17
Md Helicopters Inc · FSC 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · FSG 28 — Engines, Turbines, and Components · CAGE 1KVX4
Government record, cited
NSN 2840-01-546-0640 — this item is cataloged by the U.S. Government under National Stock Number 2840-01-546-0640. Manufacturer of record part number: 369D28301-17.
Also searched as  2840-01-546-0640 · 2840015460640 · NIIN 015460640 · 01-546-0640 · FSC 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · CAGE 1KVX4 · 369D28301-17 · 369D28301-11 · 369D28301-11
Nearby stock numbers  ·
Features
  • Duct Elbow Assy — FSC 2840
  • 1 manufacturer part number on file
  • Manufacturer of record: Md Helicopters Inc
Identification
  • NSN: 2840-01-546-0640
  • NIIN: 015460640
  • FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
  • FSG: 28 — Engines, Turbines, and Components
  • Primary part number: 369D28301-17
  • Manufacturer: Md Helicopters Inc
General Description

The Duct Elbow Assy, cataloged under National Stock Number 2840-01-546-0640, 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 Md Helicopters Inc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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
NSN2840-01-546-0640
Primary Part Number369D28301-17
Item NameDuct Elbow Assy
FSC / FSG2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
ManufacturerMd Helicopters Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
369D28301-17 PRIMARY Md Helicopters Inc (USA)
Reference documents
ReferenceMeaning
369D28301-11 5/9 Secondary reference
Md Helicopters Inc
369D28301-11 5/9 Secondary reference
The Boeing Company
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.
2840-00-000-0048
ENGINE,AIRCRAFT,TURBO-SHAFT
2840-00-000-0049
MODIFICATION KIT,ENGINE
2840-00-001-1741
CASE AND NOZZLE ASSEMBLY,TURBINE
2840-00-001-1743
2840-00-001-1743 · Item name not on file
2840-00-001-2117
2840-00-001-2117 · Item name not on file
2840-00-001-2284
2840-00-001-2284 · Item name not on file
2840-00-001-3922
2840-00-001-3922 · Item name not on file
2840-00-001-4903
SEAL,AIR,AIRCRAFT GAS TURBINE EN

Frequently Asked Questions

What is NSN 2840-01-546-0640?

NSN 2840-01-546-0640 is a Duct Elbow Assy, manufactured by Md Helicopters Inc, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.

What part numbers are listed for NSN 2840-01-546-0640?

NSN 2840-01-546-0640 has 1 manufacturer part number on file: 369D28301-17 (Md Helicopters Inc).

What are the specifications of 369D28301-17?

Key specifications for 369D28301-17: Special Features: THE ITEM NAMED BY THE MANUFACTURER IS A DUCT ELBOW ASSEMBLY. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2840-01-546-0640 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.
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