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731378B — FAN,CENTRIFUGAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

731378B: FAN,CENTRIFUGAL.

The FAN,CENTRIFUGAL is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include end_item_identification: BOEING 757 AIRCRAFT, part_name_assigned_by_controlling_agency: FAN. This part is cataloged in the U.S.

Government catalog under NSN 1660-01-528-2674, 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
731378B
NSN: 1660-01-528-2674
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
CAGE: 55820 — RTX CORPORATION DIV PRATT & WHITNEY (USA)
SPECIFICATIONS
end_item_identificationBOEING 757 AIRCRAFT
part_name_assigned_by_controlling_agencyFAN
NSN1660-01-528-2674
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FAN,CENTRIFUGAL TITLE COMPONENT PN 731378B MFR FAN,CENTRIFUGAL
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYFAN
END ITEM IDENTIFICATIONBOEING 757 AIRCRAFT
OTHER ITEMS IN FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1660-00-006-4472 1660-00-009-5646 1660-00-019-8389 1660-00-019-8399 1660-00-031-5285 1660-00-302-4390 1660-00-441-0575 1660-01-601-0729
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 731378B?
731378B is a FAN,CENTRIFUGAL.
What is the NSN for 731378B?
731378B is cataloged in the U.S. Government catalog under NSN 1660-01-528-2674. 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.