PartsTable
Technical Data Sheet
Download PDF

A138178 — IMPELLER,FAN,CENTRIFUGAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

A138178: IMPELLER,FAN,CENTRIFUGAL.

The IMPELLER,FAN,CENTRIFUGAL is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include width: 1.000 INCHES NOMINAL IN, diameter: 5.980 INCHES NOMINAL IN, material: STEEL OVERALL, blade_quantity: 20, style_designator: CURVED BLADES SINGLE WIDTH, attachment_method: RETAINING RING. This part is cataloged in the U.S.

Government catalog under NSN 4140-00-974-7582, 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
A138178
NSN: 4140-00-974-7582
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 53591 — SCHWITZER ENGINE COMPONENTS A HOUSEHOLD INTL CO (USA)
SPECIFICATIONS
width1.000 INCHES NOMINAL IN
diameter5.980 INCHES NOMINAL IN
materialSTEEL OVERALL
blade_quantity20
style_designatorCURVED BLADES SINGLE WIDTH
attachment_methodRETAINING RING
NSN4140-00-974-7582
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available IMPELLER,FAN,CENTRIFUGAL TITLE COMPONENT PN A138178 MFR IMPELLER,FAN,CENTRIFUG
KEY FEATURES
•
STYLE DESIGNATOR: CURVED BLADES SINGLE WIDTH
•
ATTACHMENT METHOD: RETAINING RING
•
DIAMETER: 5.980 INCHES NOMINAL IN
•
BLADE QUANTITY: 20
•
WIDTH: 1.000 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORCURVED BLADES SINGLE WIDTH
ATTACHMENT METHODRETAINING RING
DIAMETER5.980 INCHES NOMINAL IN
BLADE QUANTITY20
WIDTH1.000 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
631GC27Reference document
Same NSN cross-reference
Reference document — Secondary reference
701575Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy A138178?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is A138178?
A138178 is a IMPELLER,FAN,CENTRIFUGAL.
What parts can replace A138178?
There are 2 known substitutes for A138178: 631GC27, 701575. Substitute compatibility should be verified for your specific system.
What is the NSN for A138178?
A138178 is cataloged in the U.S. Government catalog under NSN 4140-00-974-7582. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — A138178

✓ 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.