PartsTable TECHNICAL DATA SHEET
NSN 4140-01-437-0955Government record, cited

Fan, Vaneaxial4140-01-437-0955

NSN 4140-01-437-0955 · NIIN 014370955 · Part number 420900003
Enviro Systems Inc · FSC 4140 — Fans, Air Circulators, and Blower Equipment · FSG 41 — Refrigeration, AC, and Air Circulating Equipment · CAGE 0B9E8
Government record, cited
NSN 4140-01-437-0955 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-437-0955. Manufacturer of record part number: 420900003.
Also searched as  4140-01-437-0955 · 4140014370955 · NIIN 014370955 · 01-437-0955 · FSC 4140 Fans, Air Circulators, and Blower Equipment · CAGE 0B9E8 · 420900003
Nearby stock numbers  ·
Features
  • Fan,vaneaxial — FSC 4140
  • 1 manufacturer part number on file
  • Manufacturer of record: Enviro Systems Inc
Identification
  • NSN: 4140-01-437-0955
  • NIIN: 014370955
  • FSC: 4140 — Fans, Air Circulators, and Blower Equipment
  • FSG: 41 — Refrigeration, AC, and Air Circulating Equipment
  • Primary part number: 420900003
  • Manufacturer: Enviro Systems Inc
General Description

The Fan,vaneaxial, cataloged under National Stock Number 4140-01-437-0955, 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 Enviro Systems 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Catalog Facts
Item NameFan,vaneaxial
FSC / FSG4140 — Fans, Air Circulators, and Blower Equipment (FSG 41)
ManufacturersEnviro Systems Inc (CAGE 0B9E8)
Technical Specifications
ParameterValue
NSN4140-01-437-0955
Primary Part Number420900003
Item NameFan,vaneaxial
FSC / FSG4140 / 41 — Fans, Air Circulators, and Blower Equipment
ManufacturerEnviro Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Cross-Reference Index
Part NumberManufacturer
420900003 PRIMARY Enviro Systems Inc (USA)
Reference documents
ReferenceMeaning
420900003 5/9 Secondary reference
Aero Aire Corporation
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 4140-01-437-0955?

NSN 4140-01-437-0955 is a Fan,vaneaxial, manufactured by Enviro Systems Inc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.

What part numbers are listed for NSN 4140-01-437-0955?

NSN 4140-01-437-0955 has 1 manufacturer part number on file: 420900003 (Enviro Systems Inc).

Is NSN 4140-01-437-0955 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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