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45491 ✓ Verified by PartsTable
Lindy · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The BLOWER,ENGINE COOLING SYSTEM is a Lindy thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include material: RUBBER SYNTHETIC OVERALL, end_item_identification: 5419-01-691-4860, part_name_assigned_by_controlling_agency: PACKING, LID. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3455-00-243-2169, 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
45491
NSN: 3455-00-243-2169
FSC: 3455
CAGE: 13130 — CLEVELAND TWIST DRILL CO DIV OF GREENFIELD INDUSTRIES INC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
end_item_identification5419-01-691-4860
part_name_assigned_by_controlling_agencyPACKING, LID
NSN3455-00-243-2169
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Lindy BLOWER,ENGINE COOLING SYSTEM TITLE COMPONENT PN 45491 MFR Lindy BLOWER,ENGINE COOLING
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
FH2818Interchangeable
interchangeable cross-reference
interchangeable
52818Interchangeable
interchangeable cross-reference
interchangeable
M14Interchangeable
interchangeable cross-reference
interchangeable
24-55-1Interchangeable
interchangeable cross-reference
interchangeable
855003Interchangeable
interchangeable cross-reference
interchangeable
11-620Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 45491?
45491 is a BLOWER,ENGINE COOLING SYSTEM manufactured by Lindy.
What parts can replace 45491?
There are 30 known substitutes for 45491: FH2818, 52818, M14 and 27 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 45491?
45491 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3455-00-243-2169. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026