0-520-4 — IMPELLER,FAN,AXIAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

0-520-4: IMPELLER,FAN,AXIAL.

The IMPELLER,FAN,AXIAL is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include diameter: 5.000 INCHES NOMINAL IN, material: ALUMINUM OVERALL, hub_location: CENTER, style_designator: ROUNDED TIP, attachment_method: SETSCREW. This part is cataloged in the U.S.

Government catalog under NSN 4140-00-274-5821, 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

0-520-4

NSN: 4140-00-274-5821
NIINs: 002745821, 004513017, 009101735
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 60399 — REGAL-BELOIT CORPORATION DBA FASCO GROUP DIV CASSVILLE DIVISION (USA)

SPECIFICATIONS

diameter	5.000 INCHES NOMINAL IN
material	ALUMINUM OVERALL
hub_location	CENTER
blade_quantity	4
style_designator	ROUNDED TIP
attachment_method	SETSCREW
NSN	4140-00-274-5821

COMPONENT DIAGRAM

KEY FEATURES

•

STYLE DESIGNATOR: ROUNDED TIP

•

ATTACHMENT METHOD: SETSCREW

•

DIAMETER: 5.000 INCHES NOMINAL IN

•

BLADE QUANTITY: 4

•

HUB LOCATION: CENTER

•

MATERIAL: STEEL OVERALL

•

ROTATION DIRECTION FOR WHICH DESIGNED: COUNTERCLOCKWISE

TYPICAL APPLICATIONS

Server thermal management and cooling
Hot-swap fan replacement in production environments
Redundant cooling for high-availability systems

TECHNICAL CHARACTERISTICS

STYLE DESIGNATOR	ROUNDED TIP
ATTACHMENT METHOD	SETSCREW
DIAMETER	5.000 INCHES NOMINAL IN
BLADE QUANTITY	4
HUB LOCATION	CENTER
SPECIAL FEATURES	0.312 IN. BLADE W; 0.562 DEG PITCH IN
MATERIAL	STEEL OVERALL
ROTATION DIRECTION FOR WHICH DESIGNED	COUNTERCLOCKWISE

SUBSTITUTES & CROSS-REFERENCES 1

BA10057-6Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 0-520-4?

0-520-4 is a IMPELLER,FAN,AXIAL.

What parts can replace 0-520-4?

There is 1 known substitute for 0-520-4: BA10057-6. Substitute compatibility should be verified for your specific system.

What is the NSN for 0-520-4?

0-520-4 is cataloged in the U.S. Government catalog under NSN 4140-00-274-5821. This indicates validated use in U.S. government and defense supply chains.

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