PartsTable TECHNICAL DATA SHEET
NSN 4140-01-581-3975Government record, cited

Fan, Vaneaxial4140-01-581-3975

NSN 4140-01-581-3975 · NIIN 015813975 · Part number 9W-74657 CD-60393
Fm Af, Llc Dba American Fan Company · FSC 4140 — Fans, Air Circulators, and Blower Equipment · FSG 41 — Refrigeration, AC, and Air Circulating Equipment · CAGE 75477
Government record, cited
NSN 4140-01-581-3975 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-581-3975. Manufacturer of record part number: 9W-74657 CD-60393.
Also searched as  4140-01-581-3975 · 4140015813975 · NIIN 015813975 · 01-581-3975 · FSC 4140 Fans, Air Circulators, and Blower Equipment · CAGE 75477 · 9W-74657 CD-60393
Nearby stock numbers  ·
Features
  • Fan,vaneaxial — FSC 4140
  • Housing Inside Diameter: 19.443 INCHES NOMINAL IN
  • Drive Type: DIRECT
  • Style Designator: FIXED
  • Prime Mover Type: ELECTRIC MOTOR
  • Rotation Direction for Which Designed: COUNTERCLOCKWISE
  • 1 manufacturer part number on file
  • Manufacturer of record: Fm Af, Llc Dba American Fan Company
Identification
  • NSN: 4140-01-581-3975
  • NIIN: 015813975
  • FSC: 4140 — Fans, Air Circulators, and Blower Equipment
  • FSG: 41 — Refrigeration, AC, and Air Circulating Equipment
  • Primary part number: 9W-74657 CD-60393
  • Manufacturer: Fm Af, Llc Dba American Fan Company
General Description

The Fan,vaneaxial, cataloged under National Stock Number 4140-01-581-3975, 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 Fm Af, Llc Dba American Fan Company. Government technical data includes 5 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4140-01-581-3975
Primary Part Number9W-74657 CD-60393
Item NameFan,vaneaxial
FSC / FSG4140 / 41 — Fans, Air Circulators, and Blower Equipment
ManufacturerFm Af, Llc Dba American Fan Company
StatusACTIVE
Housing Inside Diameter19.443 INCHES NOMINAL IN
Drive TypeDIRECT
Style DesignatorFIXED
Prime Mover TypeELECTRIC MOTOR
Rotation Direction for Which DesignedCOUNTERCLOCKWISE
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
9W-74657 CD-60393 PRIMARY Fm Af, Llc Dba American Fan Company (USA)
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 4140-01-581-3975?

NSN 4140-01-581-3975 is a Fan,vaneaxial, manufactured by Fm Af, Llc Dba American Fan Company, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.

What part numbers are listed for NSN 4140-01-581-3975?

NSN 4140-01-581-3975 has 1 manufacturer part number on file: 9W-74657 CD-60393 (Fm Af, Llc Dba American Fan Company).

What are the specifications of 9W-74657 CD-60393?

Key specifications for 9W-74657 CD-60393: Housing Inside Diameter: 19.443 INCHES NOMINAL IN; Drive Type: DIRECT; Style Designator: FIXED; Prime Mover Type: ELECTRIC MOTOR. 5 specifications are documented in the U.S. Government catalog.

Is NSN 4140-01-581-3975 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 4140-01-581-3975?

NSN 4140-01-581-3975 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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