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841920 — IMPELLER,FAN,AXIAL

✓ Government record, cited
Ricoh · COMPONENT
PRODUCT OVERVIEW

841920: IMPELLER,FAN,AXIAL.

The IMPELLER,FAN,AXIAL is a Ricoh thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. This part is cataloged in the U.S. Government catalog under NSN 4140-00-090-4174, 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
841920
NSN: 4140-00-090-4174
NIINs: 000904174, 011457460, 016535035
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 64547 — HONEYWELL INTERNATIONAL, INC DIV AEROSPACE-TUCSON (USA)
SPECIFICATIONS
Part Number841920
ManufacturerRicoh
NSN4140-00-090-4174
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Ricoh IMPELLER,FAN,AXIAL TITLE COMPONENT PN 841920 MFR Ricoh IMPELLER,FAN,AXIAL
KEY FEATURES
•
STYLE DESIGNATOR: ROUNDED TIP
•
ATTACHMENT METHOD: KEYWAY
•
DIAMETER: 4.562 INCHES NOMINAL IN
•
BLADE QUANTITY: 6
•
HUB LOCATION: CENTER
•
MATERIAL: MAGNESIUM OVERALL
•
ROTATION DIRECTION FOR WHICH DESIGNED: CLOCKWISE
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORROUNDED TIP
ATTACHMENT METHODKEYWAY
DIAMETER4.562 INCHES NOMINAL IN
BLADE QUANTITY6
HUB LOCATIONCENTER
MATERIALMAGNESIUM OVERALL
ROTATION DIRECTION FOR WHICH DESIGNEDCLOCKWISE
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 841920?
841920 is a IMPELLER,FAN,AXIAL manufactured by Ricoh.
What is the NSN for 841920?
841920 is cataloged in the U.S. Government catalog under NSN 4140-00-090-4174. 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.