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A030C158 — GUARD,FAN IMPELLER

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

A030C158: GUARD,FAN IMPELLER.

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, overall_diameter: 262.0 MILLIMETERS NOMINAL MM, surface_treatment: PAINT, end_item_identification: 6115-01-561-7718;GENERATOR SET,DIESEL ENGINE, part_name_assigned_by_controlling_agency: GUARD,FAN. This part is cataloged in the U.S.

Government catalog under NSN 4140-01-668-9251, 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
A030C158
NSN: 4140-01-668-9251
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 44940 — CUMMINS POWER GENERATION INC. (USA)
SPECIFICATIONS
shapeROUND
body_materialSTEEL
overall_diameter262.0 MILLIMETERS NOMINAL MM
surface_treatmentPAINT
end_item_identification6115-01-561-7718;GENERATOR SET,DIESEL ENGINE
part_name_assigned_by_controlling_agencyGUARD,FAN
NSN4140-01-668-9251
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GUARD,FAN IMPELLER TITLE COMPONENT PN A030C158 MFR GUARD,FAN IMPELLER
KEY FEATURES
•
OVERALL DIAMETER: 262.0 MILLIMETERS NOMINAL MM
•
SHAPE: ROUND
•
BODY MATERIAL: STEEL
•
SURFACE TREATMENT: PAINT
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER262.0 MILLIMETERS NOMINAL MM
SHAPEROUND
BODY MATERIALSTEEL
SURFACE TREATMENTPAINT
PART NAME ASSIGNED BY CONTROLLING AGENCYGUARD,FAN
END ITEM IDENTIFICATION6115-01-561-7718;GENERATOR SET,DIESEL ENGINE
OTHER ITEMS IN FSC 4140 — Fans, Air Circulators, and Blower Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4140-00-000-0082 4140-00-001-1517 4140-00-001-1536 4140-00-001-1537 4140-00-001-3930 4140-00-001-6464 4140-00-001-6874 4140-00-001-6875
SUBSTITUTES & CROSS-REFERENCES 1
04-21657Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A030C158?
A030C158 is a GUARD,FAN IMPELLER.
What parts can replace A030C158?
There is 1 known substitute for A030C158: 04-21657. Substitute compatibility should be verified for your specific system.
What is the NSN for A030C158?
A030C158 is cataloged in the U.S. Government catalog under NSN 4140-01-668-9251. 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.