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B2615 — IMPELLER,FAN,CENTRIFUGAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

B2615: 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: 0.650 INCHES NOMINAL IN, diameter: 3.970 INCHES NOMINAL IN, material: ALUMINUM OVERALL, blade_quantity: 18, style_designator: STRAIGHT BLADES SINGLE WIDTH, attachment_method: SETSCREW. This part is cataloged in the U.S.

Government catalog under NSN 4140-00-139-4459, 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
B2615
NSN: 4140-00-139-4459
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 46522 — DCM MANUFACTURING, INC. (USA)
SPECIFICATIONS
width0.650 INCHES NOMINAL IN
diameter3.970 INCHES NOMINAL IN
materialALUMINUM OVERALL
blade_quantity18
style_designatorSTRAIGHT BLADES SINGLE WIDTH
attachment_methodSETSCREW
rotation_direction_for_which_designedCLOCKWISE
NSN4140-00-139-4459
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available IMPELLER,FAN,CENTRIFUGAL TITLE COMPONENT PN B2615 MFR IMPELLER,FAN,CENTRIFUG
KEY FEATURES
•
STYLE DESIGNATOR: STRAIGHT BLADES SINGLE WIDTH
•
ATTACHMENT METHOD: SETSCREW
•
DIAMETER: 3.970 INCHES NOMINAL IN
•
BLADE QUANTITY: 18
•
WIDTH: 0.650 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM OVERALL
•
ROTATION DIRECTION FOR WHICH DESIGNED: CLOCKWISE
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSTRAIGHT BLADES SINGLE WIDTH
ATTACHMENT METHODSETSCREW
DIAMETER3.970 INCHES NOMINAL IN
BLADE QUANTITY18
WIDTH0.650 INCHES NOMINAL IN
MATERIALALUMINUM OVERALL
ROTATION DIRECTION FOR WHICH DESIGNEDCLOCKWISE
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
2AL226Reference 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 B2615?
B2615 is a IMPELLER,FAN,CENTRIFUGAL.
What parts can replace B2615?
There is 1 known substitute for B2615: 2AL226. Substitute compatibility should be verified for your specific system.
What is the NSN for B2615?
B2615 is cataloged in the U.S. Government catalog under NSN 4140-00-139-4459. 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.