525111-3 — FAN,CENTRIFUGAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

525111-3: FAN,CENTRIFUGAL.

The FAN,CENTRIFUGAL is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include width: 53.250 INCHES NOMINAL IN, height: 44.891 INCHES NOMINAL IN, length: 40.000 INCHES NOMINAL IN, material: STEEL OVERALL, drive_type: BELT, inclosure_type: FULLY INCLOSED. This part is cataloged in the U.S.

Government catalog under NSN 4140-01-304-0868, 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

525111-3

NSN: 4140-01-304-0868
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 75477 — FM AF, LLC DBA AMERICAN FAN COMPANY (USA)

SPECIFICATIONS

width	53.250 INCHES NOMINAL IN
height	44.891 INCHES NOMINAL IN
length	40.000 INCHES NOMINAL IN
material	STEEL OVERALL
drive_type	BELT
inclosure_type	FULLY INCLOSED
outlet_location	TOP
prime_mover_type	ELECTRIC MOTOR
style_designator	FIXED, RECTANGULAR OUTLETS
features_provided	FLANGED AIR INLET
speed_adjustments	SINGLE SPEED
surface_treatment	CHROMATE ZINC AND ENAMEL SEMIGLOSS OVERALL
NSN	4140-01-304-0868

COMPONENT DIAGRAM

KEY FEATURES

•

OUTLET LOCATION: TOP

•

MOUNTING FACILITY TYPE AND QUANTITY: 4 BASE PLATE

•

SPEED ADJUSTMENTS: SINGLE SPEED

•

SHAFT BEARING TYPE: BALL

•

INCLOSURE TYPE: FULLY INCLOSED

•

OUTLET INSIDE HEIGHT: 23.937 INCHES NOMINAL IN

•

LENGTH: 40.000 INCHES NOMINAL IN

•

DRIVE TYPE: BELT

TYPICAL APPLICATIONS

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

TECHNICAL CHARACTERISTICS

OUTLET LOCATION	TOP
MOUNTING FACILITY TYPE AND QUANTITY	4 BASE PLATE
SPEED ADJUSTMENTS	SINGLE SPEED
SHAFT BEARING TYPE	BALL
INCLOSURE TYPE	FULLY INCLOSED
OUTLET INSIDE HEIGHT	23.937 INCHES NOMINAL IN
LENGTH	40.000 INCHES NOMINAL IN
DRIVE TYPE	BELT
PRIME MOVER POWER RATING	20.000 HORSEPOWER
STYLE DESIGNATOR	FIXED, RECTANGULAR OUTLETS

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

CLASSIII BD CW UB SZ 2225Reference 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 525111-3?

525111-3 is a FAN,CENTRIFUGAL.

What parts can replace 525111-3?

There is 1 known substitute for 525111-3: CLASSIII BD CW UB SZ 2225. Substitute compatibility should be verified for your specific system.

What is the NSN for 525111-3?

525111-3 is cataloged in the U.S. Government catalog under NSN 4140-01-304-0868. This indicates validated use in U.S. government and defense supply chains.

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525111-3 — FAN,CENTRIFUGAL

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