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K9031871-1 — IMPELLER,FAN,CENTRIFUGAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

K9031871-1: 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: 1.875 INCHES NOMINAL IN, diameter: 3.000 INCHES NOMINAL IN, material: STEEL BLADE, blade_quantity: 24, attachment_method: KEYWAY. This part is cataloged in the U.S.

Government catalog under NSN 4140-00-269-7941, 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
K9031871-1
NSN: 4140-00-269-7941
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 24446 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
width1.875 INCHES NOMINAL IN
diameter3.000 INCHES NOMINAL IN
materialSTEEL BLADE
blade_quantity24
attachment_methodKEYWAY
NSN4140-00-269-7941
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available IMPELLER,FAN,CENTRIFUGAL TITLE COMPONENT PN K9031871-1 MFR IMPELLER,FAN,CENTRIFUG
KEY FEATURES
•
ATTACHMENT METHOD: KEYWAY
•
DIAMETER: 3.000 INCHES NOMINAL IN
•
BLADE QUANTITY: 24
•
WIDTH: 1.875 INCHES NOMINAL IN
•
MATERIAL: STEEL BLADE
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS
ATTACHMENT METHODKEYWAY
DIAMETER3.000 INCHES NOMINAL IN
BLADE QUANTITY24
WIDTH1.875 INCHES NOMINAL IN
MATERIALSTEEL BLADE
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 3
MSA-4278-1 W/MS-1642-4A HUBReference document
Same NSN cross-reference
Reference document — Secondary reference
T8673780PC2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
426659PC2Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is K9031871-1?
K9031871-1 is a IMPELLER,FAN,CENTRIFUGAL.
What parts can replace K9031871-1?
There are 3 known substitutes for K9031871-1: MSA-4278-1 W/MS-1642-4A HUB, T8673780PC2, 426659PC2. Substitute compatibility should be verified for your specific system.
What is the NSN for K9031871-1?
K9031871-1 is cataloged in the U.S. Government catalog under NSN 4140-00-269-7941. 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.