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Technical Data Sheet
PartsTable / COMPONENT / BFG3661
BFG3661 ✓ 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,AXIAL is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include diameter: 5.750 INCHES NOMINAL IN, material: ALUMINUM OVERALL, hub_location: FRONT, style_designator: ROUNDED TIP, attachment_method: BOLT HOLE, mounting_hole_diameter: 0.266 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2930-00-294-0256, 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
BFG3661
NSN: 2930-00-294-0256
FSC: 2930
CAGE: 53591 — SCHWITZER ENGINE COMPONENTS A HOUSEHOLD INTL CO (USA)
SPECIFICATIONS
diameter5.750 INCHES NOMINAL IN
materialALUMINUM OVERALL
hub_locationFRONT
blade_quantity6
style_designatorROUNDED TIP
attachment_methodBOLT HOLE
mounting_hole_diameter0.266 INCHES NOMINAL IN
mounting_hole_quantity4
mounting_bolt_circle_diameter0.875 INCHES NOMINAL IN
NSN2930-00-294-0256
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available IMPELLER,FAN,AXIAL TITLE COMPONENT PN BFG3661 MFR IMPELLER,FAN,AXIAL
KEY FEATURES
•
MOUNTING BOLT CIRCLE DIAMETER: 0.875 INCHES NOMINAL IN
•
DIAMETER: 5.750 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM OVERALL
•
STYLE DESIGNATOR: ROUNDED TIP
•
MOUNTING HOLE DIAMETER: 0.266 INCHES NOMINAL IN
•
ATTACHMENT METHOD: BOLT HOLE
•
HUB LOCATION: FRONT
•
BLADE QUANTITY: 6
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING BOLT CIRCLE DIAMETER0.875 INCHES NOMINAL IN
DIAMETER5.750 INCHES NOMINAL IN
MATERIALALUMINUM OVERALL
STYLE DESIGNATORROUNDED TIP
MOUNTING HOLE DIAMETER0.266 INCHES NOMINAL IN
ATTACHMENT METHODBOLT HOLE
HUB LOCATIONFRONT
BLADE QUANTITY6
MOUNTING HOLE QUANTITY4
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
7345Interchangeable
interchangeable cross-reference
interchangeable
5285Interchangeable
interchangeable cross-reference
interchangeable
252568R1Interchangeable
interchangeable cross-reference
interchangeable
ASC1563324Interchangeable
interchangeable cross-reference
interchangeable
5189644Interchangeable
interchangeable cross-reference
interchangeable
L235A010-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BFG3661?
BFG3661 is a IMPELLER,FAN,AXIAL.
What parts can replace BFG3661?
There are 18 known substitutes for BFG3661: 7345, 5285, 252568R1 and 15 more. Substitute compatibility should be verified for your specific system.
Is BFG3661 still available?
BFG3661 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