The IMPELLER,FAN,CENTRIFUGAL is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. This part is cataloged in the U.S. Government catalog under NSN 4140-01-231-4172, 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
78557-1-F
NSN:4140-01-231-4172 FSC:4140 — Fans, Air Circulators, and Blower Equipment CAGE:71956 — RELIANCE ELECTRIC COMPANY DBA RELIANCE & DODGE BRANDS (USA)
SPECIFICATIONS
Part Number
78557-1-F
NSN
4140-01-231-4172
COMPONENT DIAGRAM
TYPICAL APPLICATIONS
Server thermal management and cooling
Hot-swap fan replacement in production environments
Redundant cooling for high-availability systems
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.
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FREQUENTLY ASKED QUESTIONS
What is 78557-1-F?
78557-1-F is a IMPELLER,FAN,CENTRIFUGAL.
What parts can replace 78557-1-F?
There is 1 known substitute for 78557-1-F: 78557-1-A. Substitute compatibility should be verified for your specific system.
What is the NSN for 78557-1-F?
78557-1-F is cataloged in the U.S. Government catalog under NSN 4140-01-231-4172. This indicates validated use in U.S. government and defense supply chains.
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