EM681-2 — FAN,CENTRIFUGAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

EM681-2: FAN,CENTRIFUGAL.

The FAN,CENTRIFUGAL is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include material: ALUMINUM OVERALL, prime_mover_type: ELECTRIC MOTOR, voltage_in_volts_and_current_type: 28.0 DC. This part is cataloged in the U.S.

Government catalog under NSN 4140-01-285-0265, 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

EM681-2

NSN: 4140-01-285-0265
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 54395 — ELECTROMECH TECHNOLOGIES LLC (USA)

SPECIFICATIONS

material	ALUMINUM OVERALL
prime_mover_type	ELECTRIC MOTOR
NSN	4140-01-285-0265

COMPONENT DIAGRAM

KEY FEATURES

•

VOLTAGE IN VOLTS AND CURRENT TYPE: 28.0 DC

•

MATERIAL: ALUMINUM OVERALL

•

PRIME MOVER TYPE: ELECTRIC MOTOR

TYPICAL APPLICATIONS

Server thermal management and cooling
Hot-swap fan replacement in production environments
Redundant cooling for high-availability systems

TECHNICAL CHARACTERISTICS

VOLTAGE IN VOLTS AND CURRENT TYPE	28.0 DC
MATERIAL	ALUMINUM OVERALL
PRIME MOVER TYPE	ELECTRIC MOTOR

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

EM681-1Reference 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 EM681-2?

EM681-2 is a FAN,CENTRIFUGAL.

What parts can replace EM681-2?

There is 1 known substitute for EM681-2: EM681-1. Substitute compatibility should be verified for your specific system.

What is the NSN for EM681-2?

EM681-2 is cataloged in the U.S. Government catalog under NSN 4140-01-285-0265. This indicates validated use in U.S. government and defense supply chains.

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EM681-2 — FAN,CENTRIFUGAL

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