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PartsTable / COMPONENT / B3590-176
B3590-176 ✓ 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: 1.875 INCHES NOMINAL IN, diameter: 3.000 INCHES NOMINAL IN, material: STEEL OVERALL, blade_quantity: 24, special_features: COUNTER CLOCKWISE IMPELLER ROTATION, style_designator: STRAIGHT BLADES SINGLE WIDTH. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4140-00-255-9260, 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
B3590-176
NSN: 4140-00-255-9260
FSC: 4140
CAGE: 60399 — REGAL-BELOIT CORPORATION DBA FASCO GROUP DIV CASSVILLE DIVISION (USA)
SPECIFICATIONS
width1.875 INCHES NOMINAL IN
diameter3.000 INCHES NOMINAL IN
materialSTEEL OVERALL
blade_quantity24
special_featuresCOUNTER CLOCKWISE IMPELLER ROTATION
style_designatorSTRAIGHT BLADES SINGLE WIDTH
attachment_methodSETSCREW
rotation_direction_for_which_designedCOUNTERCLOCKWISE
NSN4140-00-255-9260
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available IMPELLER,FAN,CENTRIFUGAL TITLE COMPONENT PN B3590-176 MFR IMPELLER,FAN,CENTRIFUG
KEY FEATURES
•
BLADE QUANTITY: 24
•
ROTATION DIRECTION FOR WHICH DESIGNED: COUNTERCLOCKWISE
•
ATTACHMENT METHOD: SETSCREW
•
STYLE DESIGNATOR: STRAIGHT BLADES SINGLE WIDTH
•
WIDTH: 1.875 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
DIAMETER: 3.000 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)
BLADE QUANTITY24
ROTATION DIRECTION FOR WHICH DESIGNEDCOUNTERCLOCKWISE
ATTACHMENT METHODSETSCREW
SPECIAL FEATURESCOUNTER CLOCKWISE IMPELLER ROTATION
STYLE DESIGNATORSTRAIGHT BLADES SINGLE WIDTH
WIDTH1.875 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
DIAMETER3.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
MI1891-32PC11Interchangeable
interchangeable cross-reference
interchangeable
MB1782PC11Interchangeable
interchangeable cross-reference
interchangeable
49035Interchangeable
interchangeable cross-reference
interchangeable
300128Interchangeable
interchangeable cross-reference
interchangeable
S1158Interchangeable
interchangeable cross-reference
interchangeable
40340-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B3590-176?
B3590-176 is a IMPELLER,FAN,CENTRIFUGAL.
What parts can replace B3590-176?
There are 16 known substitutes for B3590-176: MI1891-32PC11, MB1782PC11, 49035 and 13 more. Substitute compatibility should be verified for your specific system.
Is B3590-176 still available?
B3590-176 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