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S1227-4 — Technical Data Sheet

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— · 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,AXIAL is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include diameter: 12.000 INCHES NOMINAL IN, material: ALUMINUM BLADE, hub_location: BACK, style_designator: OVERLAPPING STRAIGHT TIP, attachment_method: SETSCREW. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4140-00-836-4794, 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
S1227-4
NSN: 4140-00-836-4794
FSC: 4140
CAGE: 60399 — REGAL-BELOIT CORPORATION DBA FASCO GROUP DIV CASSVILLE DIVISION (USA)
SPECIFICATIONS
diameter12.000 INCHES NOMINAL IN
materialALUMINUM BLADE
hub_locationBACK
blade_quantity4
style_designatorOVERLAPPING STRAIGHT TIP
attachment_methodSETSCREW
NSN4140-00-836-4794
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available IMPELLER,FAN,AXIAL TITLE COMPONENT PN S1227-4 MFR IMPELLER,FAN,AXIAL
KEY FEATURES
•
HUB LOCATION: BACK
•
ATTACHMENT METHOD: SETSCREW
•
BLADE QUANTITY: 4
•
STYLE DESIGNATOR: OVERLAPPING STRAIGHT TIP
•
MATERIAL: ALUMINUM BLADE
•
DIAMETER: 12.000 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
HUB LOCATIONBACK
ATTACHMENT METHODSETSCREW
BLADE QUANTITY4
STYLE DESIGNATOROVERLAPPING STRAIGHT TIP
MATERIALALUMINUM BLADE
DIAMETER12.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
2D150InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
600138InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
32145VInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
26R75InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
VX140InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
54867DInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S1227-4?
S1227-4 is a IMPELLER,FAN,AXIAL.
What parts can replace S1227-4?
There are 7 known substitutes for S1227-4: 2D150, 600138, 32145V and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S1227-4?
S1227-4 is cataloged in the Federal Logistics Information System under NSN 4140-00-836-4794. 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: October 2026