4C821 — FAN,VENTILATING

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

4C821: FAN,VENTILATING.

The FAN,VENTILATING is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include width: 8.500 INCHES NOMINAL IN, height: 4.750 INCHES NOMINAL IN, length: 9.062 INCHES NOMINAL IN, air_flow_rate: 110.0 CUBIC FEET PER MINUTE NOMINAL, prime_mover_type: ELECTRIC MOTOR, style_designator: FIXED. This part is cataloged in the U.S.

Government catalog under NSN 4140-01-388-9757, 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

4C821

NSN: 4140-01-388-9757
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 7D665 — GRAINGER DIV OF W W GRAINGER INC (USA)

SPECIFICATIONS

width	8.500 INCHES NOMINAL IN
height	4.750 INCHES NOMINAL IN
length	9.062 INCHES NOMINAL IN
air_flow_rate	110.0 CUBIC FEET PER MINUTE NOMINAL
prime_mover_type	ELECTRIC MOTOR
style_designator	FIXED
frequency_in_hertz	60.0
prime_mover_power_rating	54.0 WATTS
electrical_connection_type	CONNECTOR PLUG
mounting_facility_type_and_quantity	1 BRACKET(S)
NSN	4140-01-388-9757

COMPONENT DIAGRAM

KEY FEATURES

•

MOUNTING FACILITY TYPE AND QUANTITY: 1 BRACKET(S)

•

FREQUENCY IN HERTZ: 60.0

•

LENGTH: 9.062 INCHES NOMINAL IN

•

VOLTAGE IN VOLTS AND CURRENT TYPE: 120.0 AC

•

PRIME MOVER POWER RATING: 54.0 WATTS

•

STYLE DESIGNATOR: FIXED

•

HEIGHT: 4.750 INCHES NOMINAL IN

•

OPERATING SPEED AT RATED CAPACITY IN RPM: 1600.0

TYPICAL APPLICATIONS

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

TECHNICAL CHARACTERISTICS

MOUNTING FACILITY TYPE AND QUANTITY	1 BRACKET(S)
FREQUENCY IN HERTZ	60.0
LENGTH	9.062 INCHES NOMINAL IN
VOLTAGE IN VOLTS AND CURRENT TYPE	120.0 AC
PRIME MOVER POWER RATING	54.0 WATTS
STYLE DESIGNATOR	FIXED
HEIGHT	4.750 INCHES NOMINAL IN
OPERATING SPEED AT RATED CAPACITY IN RPM	1600.0
WIDTH	8.500 INCHES NOMINAL IN
PRIME MOVER TYPE	ELECTRIC MOTOR

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

4C377Reference 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 4C821?

4C821 is a FAN,VENTILATING.

What parts can replace 4C821?

There is 1 known substitute for 4C821: 4C377. Substitute compatibility should be verified for your specific system.

What is the NSN for 4C821?

4C821 is cataloged in the U.S. Government catalog under NSN 4140-01-388-9757. This indicates validated use in U.S. government and defense supply chains.

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