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11021619 — IMPELLER,FAN,CENTRIFUGAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

11021619: 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: 4.380 INCHES NOMINAL IN, diameter: 15.220 INCHES NOMINAL IN, material: STEEL COMP 1010 OR STEEL COMP 1020 BLADE, blade_quantity: 12, attachment_method: KEYWAY AND THREADED, end_item_identification: 3431-01-079-8439,WELDING MACHINE,ARC. This part is cataloged in the U.S.

Government catalog under NSN 4140-01-252-8432, 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
11021619
NSN: 4140-01-252-8432
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 59678 — COMBAT CAPABILITIES DEVELOPMENT COMMAND ARMAMENTS CENTER DBA US ARMY COMBAT CAPABILITIES DEVELOPMENT COMMAND ARMAMENTS CENTER (USA)
SPECIFICATIONS
width4.380 INCHES NOMINAL IN
diameter15.220 INCHES NOMINAL IN
materialSTEEL COMP 1010 OR STEEL COMP 1020 BLADE
blade_quantity12
attachment_methodKEYWAY AND THREADED
end_item_identification3431-01-079-8439,WELDING MACHINE,ARC
rotation_direction_for_which_designedCLOCKWISE OR COUNTERCLOCKWISE
NSN4140-01-252-8432
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available IMPELLER,FAN,CENTRIFUGAL TITLE COMPONENT PN 11021619 MFR IMPELLER,FAN,CENTRIFUG
KEY FEATURES
•
ATTACHMENT METHOD: KEYWAY AND THREADED
•
DIAMETER: 15.220 INCHES NOMINAL IN
•
BLADE QUANTITY: 12
•
WIDTH: 4.380 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 1010 OR STEEL COMP 1020 BLADE
•
ROTATION DIRECTION FOR WHICH DESIGNED: CLOCKWISE OR COUNTERCLOCKWISE
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS
ATTACHMENT METHODKEYWAY AND THREADED
DIAMETER15.220 INCHES NOMINAL IN
BLADE QUANTITY12
WIDTH4.380 INCHES NOMINAL IN
END ITEM IDENTIFICATION3431-01-079-8439,WELDING MACHINE,ARC
MATERIALSTEEL COMP 1010 OR STEEL COMP 1020 BLADE
ROTATION DIRECTION FOR WHICH DESIGNEDCLOCKWISE OR COUNTERCLOCKWISE
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 11021619?
11021619 is a IMPELLER,FAN,CENTRIFUGAL.
What is the NSN for 11021619?
11021619 is cataloged in the U.S. Government catalog under NSN 4140-01-252-8432. 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.