B5W-78899-2 — IMPELLER,FAN,CENTRIFUGAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

B5W-78899-2: 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 diameter: 12.500 INCHES NOMINAL IN, end_item_identification: EXHAUSTER,BUFFALO FORGE CO MODEL 4-1/2E, rotation_direction_for_which_designed: CLOCKWISE. This part is cataloged in the U.S.

Government catalog under NSN 4140-01-182-5861, 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

B5W-78899-2

NSN: 4140-01-182-5861
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 75477 — FM AF, LLC DBA AMERICAN FAN COMPANY (USA)

SPECIFICATIONS

diameter	12.500 INCHES NOMINAL IN
end_item_identification	EXHAUSTER,BUFFALO FORGE CO MODEL 4-1/2E
rotation_direction_for_which_designed	CLOCKWISE
NSN	4140-01-182-5861

COMPONENT DIAGRAM

KEY FEATURES

•

DIAMETER: 12.500 INCHES NOMINAL IN

•

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

DIAMETER	12.500 INCHES NOMINAL IN
END ITEM IDENTIFICATION	EXHAUSTER,BUFFALO FORGE CO MODEL 4-1/2E
ROTATION DIRECTION FOR WHICH DESIGNED	CLOCKWISE

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 3

5W-78899-2Reference document

Same NSN cross-reference

Reference document — Secondary reference

5W-78897Reference document

Same NSN cross-reference

Reference document — Secondary reference

CD-3292Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is B5W-78899-2?

B5W-78899-2 is a IMPELLER,FAN,CENTRIFUGAL.

What parts can replace B5W-78899-2?

There are 3 known substitutes for B5W-78899-2: 5W-78899-2, 5W-78897, CD-3292. Substitute compatibility should be verified for your specific system.

What is the NSN for B5W-78899-2?

B5W-78899-2 is cataloged in the U.S. Government catalog under NSN 4140-01-182-5861. This indicates validated use in U.S. government and defense supply chains.

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B5W-78899-2 — IMPELLER,FAN,CENTRIFUGAL

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