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TU403 — IMPELLER,FAN,CENTRIFUGAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

TU403: IMPELLER,FAN,CENTRIFUGAL.

The IMPELLER,FAN,CENTRIFUGAL is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include width: 7.688 INCHES NOMINAL IN, diameter: 16.625 INCHES NOMINAL IN, material: ALUMINUM OVERALL, blade_quantity: 10, special_features: 60 CYCLE DESIGN,CCW IMPELLER ROTATION, style_designator: CURVED RADIAL W/ BACK PLATE. This part is cataloged in the U.S.

Government catalog under NSN 4140-01-031-9524, 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
TU403
NSN: 4140-01-031-9524
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 59618 — ALLIANCE LAUNDRY SYSTEMS LLC (USA)
SPECIFICATIONS
width7.688 INCHES NOMINAL IN
diameter16.625 INCHES NOMINAL IN
materialALUMINUM OVERALL
blade_quantity10
special_features60 CYCLE DESIGN,CCW IMPELLER ROTATION
style_designatorCURVED RADIAL W/ BACK PLATE
attachment_methodKEYWAY AND SETSCREW
end_item_identification3510008494854
rotation_direction_for_which_designedCOUNTERCLOCKWISE
NSN4140-01-031-9524
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available IMPELLER,FAN,CENTRIFUGAL TITLE COMPONENT PN TU403 MFR IMPELLER,FAN,CENTRIFUG
KEY FEATURES
•
STYLE DESIGNATOR: CURVED RADIAL W/ BACK PLATE
•
ATTACHMENT METHOD: KEYWAY AND SETSCREW
•
DIAMETER: 16.625 INCHES NOMINAL IN
•
BLADE QUANTITY: 10
•
WIDTH: 7.688 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM OVERALL
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORCURVED RADIAL W/ BACK PLATE
ATTACHMENT METHODKEYWAY AND SETSCREW
DIAMETER16.625 INCHES NOMINAL IN
BLADE QUANTITY10
SPECIAL FEATURES60 CYCLE DESIGN,CCW IMPELLER ROTATION
WIDTH7.688 INCHES NOMINAL IN
END ITEM IDENTIFICATION3510008494854
MATERIALALUMINUM OVERALL
ROTATION DIRECTION FOR WHICH DESIGNEDCOUNTERCLOCKWISE
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is TU403?
TU403 is a IMPELLER,FAN,CENTRIFUGAL.
What is the NSN for TU403?
TU403 is cataloged in the U.S. Government catalog under NSN 4140-01-031-9524. 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.