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Technical Data Sheet
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GZ ✓ 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,FAN,CENTRIFUGAL is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include width: 7.281 INCHES NOMINAL IN, diameter: 20.000 INCHES NOMINAL IN, material: STEEL OVERALL, blade_quantity: 60, special_features: CLOCKWISE IMPELLAR ROTATION, style_designator: CURVED BLADES DOUBLE WIDTH. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4140-00-277-1531, 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
GZ
NSN: 4140-00-277-1531
FSC: 4140
CAGE: 35197 — PHILIPS INDUSTRIES INC (USA)
SPECIFICATIONS
width7.281 INCHES NOMINAL IN
diameter20.000 INCHES NOMINAL IN
materialSTEEL OVERALL
blade_quantity60
special_featuresCLOCKWISE IMPELLAR ROTATION
style_designatorCURVED BLADES DOUBLE WIDTH
attachment_methodSETSCREW
rotation_direction_for_which_designedCLOCKWISE
NSN4140-00-277-1531
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available IMPELLER,FAN,CENTRIFUGAL TITLE COMPONENT PN GZ MFR IMPELLER,FAN,CENTRIFUG
KEY FEATURES
•
BLADE QUANTITY: 60
•
ATTACHMENT METHOD: SETSCREW
•
ROTATION DIRECTION FOR WHICH DESIGNED: CLOCKWISE
•
STYLE DESIGNATOR: CURVED BLADES DOUBLE WIDTH
•
WIDTH: 7.281 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
DIAMETER: 20.000 INCHES NOMINAL IN
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS (FLIS)
BLADE QUANTITY60
SPECIAL FEATURESCLOCKWISE IMPELLAR ROTATION
ATTACHMENT METHODSETSCREW
ROTATION DIRECTION FOR WHICH DESIGNEDCLOCKWISE
STYLE DESIGNATORCURVED BLADES DOUBLE WIDTH
WIDTH7.281 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
DIAMETER20.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
120725Interchangeable
interchangeable cross-reference
interchangeable
627221322-001Interchangeable
interchangeable cross-reference
interchangeable
42521Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is GZ?
GZ is a IMPELLER,FAN,CENTRIFUGAL.
What parts can replace GZ?
There are 3 known substitutes for GZ: 120725, 627221322-001, 42521. Substitute compatibility should be verified for your specific system.
What is the NSN for GZ?
GZ is cataloged in the Federal Logistics Information System (FLIS) under NSN 4140-00-277-1531. 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