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4YD82 ✓ 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 GUARD,FAN IMPELLER is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include shape: ROUND, body_material: STEEL, mounting_method: HOLE, overall_diameter: 8.750 INCHES NOMINAL IN, surface_treatment: CHROMATE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4140-01-255-4759, 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
4YD82
NSN: 4140-01-255-4759
FSC: 4140
CAGE: 25795 — W.W. GRAINGER, INC. DIV GOVERNMENT SALES DIVISION (USA)
SPECIFICATIONS
shapeROUND
body_materialSTEEL
mounting_methodHOLE
overall_diameter8.750 INCHES NOMINAL IN
surface_treatmentCHROMATE
NSN4140-01-255-4759
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GUARD,FAN IMPELLER TITLE COMPONENT PN 4YD82 MFR GUARD,FAN IMPELLER
KEY FEATURES
•
SHAPE: ROUND
•
OVERALL DIAMETER: 8.750 INCHES NOMINAL IN
•
BODY MATERIAL: STEEL
•
SURFACE TREATMENT: CHROMATE
•
MOUNTING METHOD: HOLE
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS (FLIS)
SHAPEROUND
OVERALL DIAMETER8.750 INCHES NOMINAL IN
BODY MATERIALSTEEL
SURFACE TREATMENTCHROMATE
MOUNTING METHODHOLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
23697Interchangeable
interchangeable cross-reference
interchangeable
50157Interchangeable
interchangeable cross-reference
interchangeable
H23-697Interchangeable
interchangeable cross-reference
interchangeable
4C742Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4YD82?
4YD82 is a GUARD,FAN IMPELLER.
What parts can replace 4YD82?
There are 4 known substitutes for 4YD82: 23697, 50157, H23-697 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4YD82?
4YD82 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4140-01-255-4759. 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