B-2637 — FAN,TUBEAXIAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

B-2637: FAN,TUBEAXIAL.

The FAN,TUBEAXIAL is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include special_features: POTENTIOMETER, end_item_identification: SEAWOLF CLASS SSN. This part is cataloged in the U.S.

Government catalog under NSN 4140-01-538-2145, 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

B-2637

NSN: 4140-01-538-2145
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 09JB5 — L3 TECHNOLOGIES, INC. (USA)

SPECIFICATIONS

special_features	POTENTIOMETER
end_item_identification	SEAWOLF CLASS SSN
NSN	4140-01-538-2145

COMPONENT DIAGRAM

TYPICAL APPLICATIONS

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

SUBSTITUTES & CROSS-REFERENCES 2

10-4725-X ITEM 98Reference document

Same NSN cross-reference

Reference document — Secondary reference

10-4725-XReference document

Same NSN cross-reference

Reference document — Drawing number reference only

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 B-2637?

B-2637 is a FAN,TUBEAXIAL.

What parts can replace B-2637?

There are 2 known substitutes for B-2637: 10-4725-X ITEM 98, 10-4725-X. Substitute compatibility should be verified for your specific system.

What is the NSN for B-2637?

B-2637 is cataloged in the U.S. Government catalog under NSN 4140-01-538-2145. This indicates validated use in U.S. government and defense supply chains.

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