PartsTable
Technical Data Sheet
Download PDF

LLSIZE2-3-4 — FAN,CENTRIFUGAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

LLSIZE2-3-4: FAN,CENTRIFUGAL.

The FAN,CENTRIFUGAL is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include phase: THREE, material: STEEL HOUSING, drive_type: BELT, air_flow_rate: 4059.000 CUBIC FEET PER MINUTE NOMINAL, inclosure_type: FULLY INCLOSED, prime_mover_type: ELECTRIC MOTOR. This part is cataloged in the U.S.

Government catalog under NSN 4140-00-490-7578, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
LLSIZE2-3-4
NSN: 4140-00-490-7578
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 75477 — FM AF, LLC DBA AMERICAN FAN COMPANY (USA)
SPECIFICATIONS
phaseTHREE
materialSTEEL HOUSING
drive_typeBELT
air_flow_rate4059.000 CUBIC FEET PER MINUTE NOMINAL
inclosure_typeFULLY INCLOSED
stage_quantity1
prime_mover_typeELECTRIC MOTOR
speed_adjustmentsSINGLE SPEED
surface_treatmentPAINT HOUSING OUTSIDE
shaft_bearing_typeSLEEVE
environmental_protectionSPLASH PROOF
prime_mover_power_rating2.000 HORSEPOWER
NSN4140-00-490-7578
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FAN,CENTRIFUGAL TITLE COMPONENT PN LLSIZE2-3-4 MFR FAN,CENTRIFUGAL
KEY FEATURES
•
SPEED ADJUSTMENTS: SINGLE SPEED
•
PHASE: THREE
•
SHAFT BEARING TYPE: SLEEVE
•
INCLOSURE TYPE: FULLY INCLOSED
•
VOLTAGE IN VOLTS AND CURRENT TYPE: 220.0 AC
•
DRIVE TYPE: BELT
•
PRIME MOVER POWER RATING: 2.000 HORSEPOWER
•
STAGE QUANTITY: 1
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS
SPEED ADJUSTMENTSSINGLE SPEED
PHASETHREE
SHAFT BEARING TYPESLEEVE
INCLOSURE TYPEFULLY INCLOSED
VOLTAGE IN VOLTS AND CURRENT TYPE220.0 AC
DRIVE TYPEBELT
PRIME MOVER POWER RATING2.000 HORSEPOWER
STAGE QUANTITY1
OPERATING SPEED AT RATED CAPACITY IN RPM1750.0
SURFACE TREATMENTPAINT HOUSING INSIDE
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 4140-00-001-1517 4140-00-001-1536 4140-00-001-1537 4140-00-001-3930 4140-00-001-6464 4140-00-001-6874 4140-00-001-6875
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
Ready to buy LLSIZE2-3-4?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is LLSIZE2-3-4?
LLSIZE2-3-4 is a FAN,CENTRIFUGAL.
What is the NSN for LLSIZE2-3-4?
LLSIZE2-3-4 is cataloged in the U.S. Government catalog under NSN 4140-00-490-7578. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — LLSIZE2-3-4

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.