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12055CCW — IMPELLER,FAN,CENTRIFUGAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

12055CCW: 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: 3.125 INCHES NOMINAL IN, material: STEEL OVERALL, blade_quantity: 28, special_features: COUNTERCLOCKWISE ROTATION DIRECTION, style_designator: STRAIGHT BLADES SINGLE WIDTH. This part is cataloged in the U.S.

Government catalog under NSN 4140-01-132-0032, 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
12055CCW
NSN: 4140-01-132-0032
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 06223 — KOOLTRONIC, INC. (USA)
SPECIFICATIONS
width1.875 INCHES NOMINAL IN
diameter3.125 INCHES NOMINAL IN
materialSTEEL OVERALL
blade_quantity28
special_featuresCOUNTERCLOCKWISE ROTATION DIRECTION
style_designatorSTRAIGHT BLADES SINGLE WIDTH
attachment_methodSETSCREW
criticality_code_justificationFEAT
rotation_direction_for_which_designedCOUNTERCLOCKWISE
NSN4140-01-132-0032
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available IMPELLER,FAN,CENTRIFUGAL TITLE COMPONENT PN 12055CCW MFR IMPELLER,FAN,CENTRIFUG
KEY FEATURES
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
STYLE DESIGNATOR: STRAIGHT BLADES SINGLE WIDTH
•
ATTACHMENT METHOD: SETSCREW
•
DIAMETER: 3.125 INCHES NOMINAL IN
•
BLADE QUANTITY: 28
•
WIDTH: 1.875 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONFEAT
STYLE DESIGNATORSTRAIGHT BLADES SINGLE WIDTH
ATTACHMENT METHODSETSCREW
DIAMETER3.125 INCHES NOMINAL IN
BLADE QUANTITY28
SPECIAL FEATURESCOUNTERCLOCKWISE ROTATION DIRECTION
WIDTH1.875 INCHES NOMINAL IN
MATERIALSTEEL 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 1
31-128CCW5/16BORE-STEELReference document
Same NSN cross-reference
Reference document — Secondary reference
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 12055CCW?
12055CCW is a IMPELLER,FAN,CENTRIFUGAL.
What parts can replace 12055CCW?
There is 1 known substitute for 12055CCW: 31-128CCW5/16BORE-STEEL. Substitute compatibility should be verified for your specific system.
What is the NSN for 12055CCW?
12055CCW is cataloged in the U.S. Government catalog under NSN 4140-01-132-0032. 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.