FSC: 4140 — Fans, Air Circulators, and Blower Equipment
FSG: 41 — Refrigeration, AC, and Air Circulating Equipment
General Description
The Fan,centrifugal, cataloged under National Stock Number 4140-00-541-6534, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Fan,centrifugal
FSC / FSG
4140 — Fans, Air Circulators, and Blower Equipment (FSG 41)
Technical Specifications
Parameter
Value
NSN
4140-00-541-6534
Item Name
Fan,centrifugal
FSC / FSG
4140 / 41 — Fans, Air Circulators, and Blower Equipment
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
6665-00-724-7826POSSIBLE MATCH
RADIACMETER
Possible match (shared part number)
5130-00-816-13145130-00-816-1314POSSIBLE MATCH
BIT,SCREWDRIVER
Possible match (shared part number)General Services Administration Federal Supply Service
5970-01-030-42632652POSSIBLE MATCH
INSULATOR,WASHER
Possible match (shared part number)Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
4520-01-163-10562652POSSIBLE MATCH
HEATING ELEMENT,ELECTRICAL,NONIM
Possible match (shared part number)Cox & Company, Inc. Dba Cox & Co Inc
4730-01-215-321812302899POSSIBLE MATCH
CROSS,PIPE TO TUBE
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
5975-01-335-89292652POSSIBLE MATCH
ELBOW,ELECTRICAL CONDUIT
Possible match (shared part number)Raco, a Division of Hubbell Incorporated(delaware)
5120-01-649-1389POSSIBLE MATCH
SOCKET SET,METRIC,I
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
2652
3/2Design control — primary reference
U.S. Government activity
Related Parts
6665-00-724-7826POSSIBLE MATCH
RADIACMETER
5130-00-816-1314POSSIBLE MATCH
BIT,SCREWDRIVER
5130-00-816-1314
5970-01-030-4263POSSIBLE MATCH
INSULATOR,WASHER
2652
4520-01-163-1056POSSIBLE MATCH
HEATING ELEMENT,ELECTRICAL,NONIM
2652
4730-01-215-3218POSSIBLE MATCH
CROSS,PIPE TO TUBE
12302899
5975-01-335-8929POSSIBLE MATCH
ELBOW,ELECTRICAL CONDUIT
2652
5120-01-649-1389POSSIBLE MATCH
SOCKET SET,METRIC,I
Frequently Asked Questions
What is NSN 4140-00-541-6534?
NSN 4140-00-541-6534 is a Fan,centrifugal, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
What NSN replaces 4140-00-541-6534?
7 possible matches (shared part number, not a government interchangeability claim): 6665-00-724-7826, 5130-00-816-1314, 5970-01-030-4263. Verify interchangeability with system specifications before substitution.
Is NSN 4140-00-541-6534 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.