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04527-4 — Technical Data Sheet

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— · 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 diameter: 4.500 INCHES NOMINAL IN, material: ALUMINUM OVERALL, attachment_method: SETSCREW. This part is cataloged in the Federal Logistics Information System under NSN 4140-00-238-6088, 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
04527-4
NSN: 4140-00-238-6088
FSC: 4140
CAGE: 60399 — REGAL-BELOIT CORPORATION DBA FASCO GROUP DIV CASSVILLE DIVISION (USA)
SPECIFICATIONS
diameter4.500 INCHES NOMINAL IN
materialALUMINUM OVERALL
blade_quantity4
attachment_methodSETSCREW
NSN4140-00-238-6088
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available IMPELLER,FAN,CENTRIFUGAL TITLE COMPONENT PN 04527-4 MFR IMPELLER,FAN,CENTRIFUG
KEY FEATURES
•
HUB LOCATION: BACK
•
BLADE QUANTITY: 4
•
ROTATION DIRECTION FOR WHICH DESIGNED: COUNTERCLOCKWISE
•
ATTACHMENT METHOD: SETSCREW
•
MATERIAL: ALUMINUM OVERALL
•
STYLE DESIGNATOR: ROUNDED TIP
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESCCW ROTATION FACING AIR DISCHARGE
HUB LOCATIONBACK
BLADE QUANTITY4
ROTATION DIRECTION FOR WHICH DESIGNEDCOUNTERCLOCKWISE
ATTACHMENT METHODSETSCREW
END ITEM IDENTIFICATIONFAN,VENTILATING,ROTRON INC. MODEL DFE 401-L
MATERIALALUMINUM OVERALL
STYLE DESIGNATORROUNDED TIP
DIAMETER4.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
BL1012AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
O-4527-4CWHOB5/16STLHUBALUMBLADEInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
N17P87220-1551InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1954-1112P2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MILL970-10InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
876PL0044InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 04527-4?
04527-4 is a IMPELLER,FAN,CENTRIFUGAL.
What parts can replace 04527-4?
There are 15 known substitutes for 04527-4: BL1012A, O-4527-4CWHOB5/16STLHUBALUMBLADE, N17P87220-1551 and 12 more. Substitute compatibility should be verified for your specific system.
Is 04527-4 still available?
04527-4 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: October 2026