PartsTable TECHNICAL DATA SHEET
NSN 4140-01-657-7987Government record, cited

Fan, Vaneaxial4140-01-657-7987

NSN 4140-01-657-7987 · NIIN 016577987 · Part number FG 4XL
Fantech Inc · FSC 4140 — Fans, Air Circulators, and Blower Equipment · FSG 41 — Refrigeration, AC, and Air Circulating Equipment · CAGE 67XZ6
Government record, cited
NSN 4140-01-657-7987 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-657-7987. Manufacturer of record part number: FG 4XL.
Also searched as  4140-01-657-7987 · 4140016577987 · NIIN 016577987 · 01-657-7987 · FSC 4140 Fans, Air Circulators, and Blower Equipment · CAGE 67XZ6 · FG 4XL · 8575074 ITEM 14
Nearby stock numbers  ·
Features
  • Fan,vaneaxial — FSC 4140
  • 1 manufacturer part number on file
  • Manufacturer of record: Fantech Inc
Identification
  • NSN: 4140-01-657-7987
  • NIIN: 016577987
  • FSC: 4140 — Fans, Air Circulators, and Blower Equipment
  • FSG: 41 — Refrigeration, AC, and Air Circulating Equipment
  • Primary part number: FG 4XL
  • Manufacturer: Fantech Inc
General Description

The Fan,vaneaxial, cataloged under National Stock Number 4140-01-657-7987, 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 Fantech Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4140-01-657-7987
Primary Part NumberFG 4XL
Item NameFan,vaneaxial
FSC / FSG4140 / 41 — Fans, Air Circulators, and Blower Equipment
ManufacturerFantech 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
FG 4XL PRIMARY Fantech Inc (USA)
Reference documents
ReferenceMeaning
8575074 ITEM 14 C/1 Advisory reference — outside the item-of-supply concept
Naval Sea Systems Command
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 4140-01-657-7987?

NSN 4140-01-657-7987 is a Fan,vaneaxial, manufactured by Fantech Inc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.

What part numbers are listed for NSN 4140-01-657-7987?

NSN 4140-01-657-7987 has 1 manufacturer part number on file: FG 4XL (Fantech Inc).

What are the specifications of FG 4XL?

Key specifications for FG 4XL: Special Features: SPEED-CONTROLLABLE,BUILT IN THERMAL OVERLOAD PROTECTION WITH AUTOMATIC RESET; Part Name Assigned by Controlling Agency: FAN,DUCT INLINE. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4140-01-657-7987 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.
PartsTable Design LLC · partstable.com