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Technical Data Sheet
PartsTable / COMPONENT / 23850B
23850B ✓ Verified by PartsTable
— · 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 IMPELLER ASSEMBLY,BLOWER is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include general_characteristics_item_description: IMPELLER,2 BLADE,3.992 IN. H BY APPROX 3/4 IN.

W,LOCATED ON SHAFT 1.562 IN. FROM 1ST END IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4310-00-791-1380, 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
23850B
NSN: 4310-00-791-1380
FSC: 4310
CAGE: 51729 — DRESSER, INC. DBA DRESSER ROOTS BLOWERS & COMPRESSORS DIV DRESSER ROOTS (USA)
SPECIFICATIONS
general_characteristics_item_descriptionIMPELLER,2 BLADE,3.992 IN. H BY APPROX 3/4 IN. W,LOCATED ON SHAFT 1.562 IN. FROM 1ST END IN
NSN4310-00-791-1380
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available IMPELLER ASSEMBLY,BLOWER TITLE COMPONENT PN 23850B MFR IMPELLER ASSEMBLY,BLOW
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: IMPELLER,2 BLADE,3.992 IN. H BY APPROX 3/4 IN. W,LOCATED ON SHAFT 1.562 IN. FROM 1ST END IN
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONIMPELLER,2 BLADE,3.992 IN. H BY APPROX 3/4 IN. W,LOCATED ON SHAFT 1.562 IN. FROM 1ST END IN
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSHAFT,STRT W/3 GROVES,6-31/32 IN. LG,BASICALLY 0.59375 IN. DIA IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
23850Interchangeable
interchangeable cross-reference
interchangeable
698849-1Interchangeable
interchangeable cross-reference
interchangeable
3129Interchangeable
interchangeable cross-reference
interchangeable
848-14Interchangeable
interchangeable cross-reference
interchangeable
157D1-0724Interchangeable
interchangeable cross-reference
interchangeable
BF957Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 23850B?
23850B is a IMPELLER ASSEMBLY,BLOWER.
What parts can replace 23850B?
There are 9 known substitutes for 23850B: 23850, 698849-1, 3129 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 23850B?
23850B is cataloged in the Federal Logistics Information System (FLIS) under NSN 4310-00-791-1380. 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