PartsTable TECHNICAL DATA SHEET
NSN 4140-01-537-6506Government record, cited

Shroud, Fan, Axial4140-01-537-6506

NSN 4140-01-537-6506 · NIIN 015376506 · Part number FANS-CVR-0001
Biofire Defense Llc · FSC 4140 — Fans, Air Circulators, and Blower Equipment · FSG 41 — Refrigeration, AC, and Air Circulating Equipment · CAGE 088J2
Government record, cited
NSN 4140-01-537-6506 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-537-6506. Manufacturer of record part number: FANS-CVR-0001.
Also searched as  4140-01-537-6506 · 4140015376506 · NIIN 015376506 · 01-537-6506 · FSC 4140 Fans, Air Circulators, and Blower Equipment · CAGE 088J2 · FANS-CVR-0001
Nearby stock numbers  ·
Features
  • Shroud,fan,axial — FSC 4140
  • Overall Diameter: 4.650 INCHES NOMINAL IN
  • 1 manufacturer part number on file
  • Manufacturer of record: Biofire Defense Llc
Identification
  • NSN: 4140-01-537-6506
  • NIIN: 015376506
  • FSC: 4140 — Fans, Air Circulators, and Blower Equipment
  • FSG: 41 — Refrigeration, AC, and Air Circulating Equipment
  • Primary part number: FANS-CVR-0001
  • Manufacturer: Biofire Defense Llc
General Description

The Shroud,fan,axial, cataloged under National Stock Number 4140-01-537-6506, 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 Biofire Defense Llc. Government technical data includes 1 specification, 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
NSN4140-01-537-6506
Primary Part NumberFANS-CVR-0001
Item NameShroud,fan,axial
FSC / FSG4140 / 41 — Fans, Air Circulators, and Blower Equipment
ManufacturerBiofire Defense Llc
StatusACTIVE
Overall Diameter4.650 INCHES NOMINAL IN
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
FANS-CVR-0001 PRIMARY Biofire Defense Llc (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 4140-01-537-6506?

NSN 4140-01-537-6506 is a Shroud,fan,axial, manufactured by Biofire Defense Llc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.

What part numbers are listed for NSN 4140-01-537-6506?

NSN 4140-01-537-6506 has 1 manufacturer part number on file: FANS-CVR-0001 (Biofire Defense Llc).

What are the specifications of FANS-CVR-0001?

Key specifications for FANS-CVR-0001: Overall Diameter: 4.650 INCHES NOMINAL IN; Special Features: FAN COVER MADE UP OF 09450-G GUARD, 09450-R RETAINER, AND 09450-M/30 FILTER MEDIA (30 PORES PER INCH). 1 specification is documented in the U.S. Government catalog.

Is NSN 4140-01-537-6506 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