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Technical Data Sheet
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ASC1540646 — FAN,TUBEAXIAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

ASC1540646: FAN,TUBEAXIAL.

The FAN,TUBEAXIAL is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include width: 3.125 INCHES NOMINAL IN, height: 3.125 INCHES NOMINAL IN, length: 1.645 INCHES NOMINAL IN, drive_type: DIRECT, inclosure_type: FULLY INCLOSED, prime_mover_type: ELECTRIC MOTOR. This part is cataloged in the U.S.

Government catalog under NSN 4140-01-296-7950, 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
ASC1540646
NSN: 4140-01-296-7950
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: Z4779 — ASC PTY LTD (AUS)
SPECIFICATIONS
width3.125 INCHES NOMINAL IN
height3.125 INCHES NOMINAL IN
length1.645 INCHES NOMINAL IN
drive_typeDIRECT
inclosure_typeFULLY INCLOSED
prime_mover_typeELECTRIC MOTOR
style_designatorFIXED
speed_adjustmentsSINGLE SPEED
housing_inside_diameter2.812 INCHES NOMINAL IN
prime_mover_drive_shaft_bearing_typeBALL
NSN4140-01-296-7950
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FAN,TUBEAXIAL TITLE COMPONENT PN ASC1540646 MFR FAN,TUBEAXIAL
KEY FEATURES
•
SPEED ADJUSTMENTS: SINGLE SPEED
•
INCLOSURE TYPE: FULLY INCLOSED
•
LENGTH: 1.645 INCHES NOMINAL IN
•
VOLTAGE IN VOLTS AND CURRENT TYPE: 115.0 AC
•
HOUSING INSIDE DIAMETER: 2.812 INCHES NOMINAL IN
•
DRIVE TYPE: DIRECT
•
STYLE DESIGNATOR: FIXED
•
HEIGHT: 3.125 INCHES NOMINAL IN
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
INCLOSURE TYPEFULLY INCLOSED
LENGTH1.645 INCHES NOMINAL IN
VOLTAGE IN VOLTS AND CURRENT TYPE115.0 AC
HOUSING INSIDE DIAMETER2.812 INCHES NOMINAL IN
DRIVE TYPEDIRECT
STYLE DESIGNATORFIXED
HEIGHT3.125 INCHES NOMINAL IN
WIDTH3.125 INCHES NOMINAL IN
PRIME MOVER TYPEELECTRIC MOTOR
SUBSTITUTES & CROSS-REFERENCES 1
5100-198Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ASC1540646?
ASC1540646 is a FAN,TUBEAXIAL.
What parts can replace ASC1540646?
There is 1 known substitute for ASC1540646: 5100-198. Substitute compatibility should be verified for your specific system.
What is the NSN for ASC1540646?
ASC1540646 is cataloged in the U.S. Government catalog under NSN 4140-01-296-7950. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.