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PartsTable / COMPONENT / AA-300-128-1CCW
AA-300-128-1CCW ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The IMPELLER,FAN,CENTRIFUGAL is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include width: 2.187 INCHES NOMINAL IN, diameter: 3.000 INCHES NOMINAL IN, material: ALUMINUM ALLOY OVERALL, blade_quantity: 24, special_features: CCW IMPELLER ROTATION, style_designator: CURVED BLADES SINGLE WIDTH. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4140-00-350-0181, 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
AA-300-128-1CCW
NSN: 4140-00-350-0181
FSC: 4140
CAGE: 60399 — REGAL-BELOIT CORPORATION DBA FASCO GROUP DIV CASSVILLE DIVISION (USA)
SPECIFICATIONS
width2.187 INCHES NOMINAL IN
diameter3.000 INCHES NOMINAL IN
materialALUMINUM ALLOY OVERALL
blade_quantity24
special_featuresCCW IMPELLER ROTATION
style_designatorCURVED BLADES SINGLE WIDTH
attachment_methodSETSCREW
rotation_direction_for_which_designedCOUNTERCLOCKWISE
NSN4140-00-350-0181
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available IMPELLER,FAN,CENTRIFUGAL TITLE COMPONENT PN AA-300-128-1CCW MFR IMPELLER,FAN,CENTRIFUG
KEY FEATURES
•
STYLE DESIGNATOR: CURVED BLADES SINGLE WIDTH
•
MATERIAL: ALUMINUM ALLOY OVERALL
•
ROTATION DIRECTION FOR WHICH DESIGNED: COUNTERCLOCKWISE
•
ATTACHMENT METHOD: SETSCREW
•
BLADE QUANTITY: 24
•
DIAMETER: 3.000 INCHES NOMINAL IN
•
WIDTH: 2.187 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 (FLIS)
STYLE DESIGNATORCURVED BLADES SINGLE WIDTH
MATERIALALUMINUM ALLOY OVERALL
ROTATION DIRECTION FOR WHICH DESIGNEDCOUNTERCLOCKWISE
SPECIAL FEATURESCCW IMPELLER ROTATION
ATTACHMENT METHODSETSCREW
BLADE QUANTITY24
DIAMETER3.000 INCHES NOMINAL IN
WIDTH2.187 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
S-1021Interchangeable
interchangeable cross-reference
interchangeable
AA300-128-1CW 5/16BORE/STEELInterchangeable
interchangeable cross-reference
interchangeable
M-1965Interchangeable
interchangeable cross-reference
interchangeable
1603Interchangeable
interchangeable cross-reference
interchangeable
18734RInterchangeable
interchangeable cross-reference
interchangeable
A346518Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AA-300-128-1CCW?
AA-300-128-1CCW is a IMPELLER,FAN,CENTRIFUGAL.
What parts can replace AA-300-128-1CCW?
There are 20 known substitutes for AA-300-128-1CCW: S-1021, AA300-128-1CW 5/16BORE/STEEL, M-1965 and 17 more. Substitute compatibility should be verified for your specific system.
Is AA-300-128-1CCW still available?
AA-300-128-1CCW is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026