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203405 — IMPELLER WHEEL,AIRCRAFT COOLING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

203405: IMPELLER WHEEL,AIRCRAFT COOLING.

IMPELLER WHEEL,AIRCRAFT COOLING. Key specifications include design_type: THREADED, end_item_identification: 3810-01-550-3454, part_name_assigned_by_controlling_agency: CAP,DUST,COUPLER. This part is cataloged in the U.S.

Government catalog under NSN 1660-00-078-0987, 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
203405
NSN: 1660-00-078-0987
NIINs: 000780987, 016172093
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
CAGE: 70210 — HONEYWELL INTERNATIONAL INC. DIV AEROSPACE - TORRANCE (USA)
SPECIFICATIONS
design_typeTHREADED
end_item_identification3810-01-550-3454
part_name_assigned_by_controlling_agencyCAP,DUST,COUPLER
NSN1660-00-078-0987
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available IMPELLER WHEEL,AIRCRAFT COOLING TITLE COMPONENT PN 203405 MFR IMPELLER WHEEL,AIRCRAF
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESTITANIUM; 4.000 IN. OD; 0.485 IN. SHAFT BORE IN
END ITEM IDENTIFICATIONTURBINE 204345-1-1
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 203405?
203405 is a IMPELLER WHEEL,AIRCRAFT COOLING.
What is the NSN for 203405?
203405 is cataloged in the U.S. Government catalog under NSN 1660-00-078-0987. 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.