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NSN 4140-01-694-3345Government record, cited
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Fan, Crossflow4140-01-694-3345

NSN 4140-01-694-3345 · NIIN 016943345 · Part number 78309-01801-101
Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp · FSC 4140 — Fans, Air Circulators, and Blower Equipment · FSG 41 — Refrigeration, AC, and Air Circulating Equipment · CAGE 78286
Government record, cited
NSN 4140-01-694-3345 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-694-3345. Manufacturer of record part number: 78309-01801-101.
Also searched as  4140-01-694-3345 · 4140016943345 · NIIN 016943345 · 01-694-3345 · FSC 4140 Fans, Air Circulators, and Blower Equipment · CAGE 78286 · 78309-01801-101 · 78309-01801 · 041677500
Nearby stock numbers  ·
Features
  • Fan,crossflow — FSC 4140
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
Identification
  • NSN: 4140-01-694-3345
  • NIIN: 016943345
  • FSC: 4140 — Fans, Air Circulators, and Blower Equipment
  • FSG: 41 — Refrigeration, AC, and Air Circulating Equipment
  • Primary part number: 78309-01801-101
  • Manufacturer: Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
General Description

The Fan,crossflow, cataloged under National Stock Number 4140-01-694-3345, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts
Item NameFan,crossflow
FSC / FSG4140 — Fans, Air Circulators, and Blower Equipment (FSG 41)
ManufacturersSikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (CAGE 78286)
Technical Specifications
ParameterValue
NSN4140-01-694-3345
Primary Part Number78309-01801-101
Item NameFan,crossflow
FSC / FSG4140 / 41 — Fans, Air Circulators, and Blower Equipment
ManufacturerSikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
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
78309-01801 Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA)
78309-01801-101 PRIMARY Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA)
Reference documents
ReferenceMeaning
041677500 5/2 Secondary reference
U.S. Government activity
No interchangeability data on file.
Other items in FSC 4140 — Fans, Air Circulators, and Blower Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4140-00-000-0082
IMPELLER,FAN,AXIAL
4140-00-001-1517
FAN,CENTRIFUGAL
4140-00-001-1536
FAN,VENTILATING
4140-00-001-1537
4140-00-001-1537 · Item name not on file
4140-00-001-3930
4140-00-001-3930 · Item name not on file
4140-00-001-6464
4140-00-001-6464 · Item name not on file
4140-00-001-6874
4140-00-001-6874 · Item name not on file
4140-00-001-6875
4140-00-001-6875 · Item name not on file

Frequently Asked Questions

What is NSN 4140-01-694-3345?

NSN 4140-01-694-3345 is a Fan,crossflow, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.

What part numbers are listed for NSN 4140-01-694-3345?

NSN 4140-01-694-3345 has 2 manufacturer part numbers on file: 78309-01801 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 78309-01801-101 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).

Is NSN 4140-01-694-3345 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.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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