1021849-1 — FAN,CIRCULATING

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

1021849-1: FAN,CIRCULATING.

The FAN,CIRCULATING is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include phase: SINGLE, length: 6.500 INCHES NOMINAL IN, material: ALUMINUM OVERALL, drive_type: DIRECT, air_flow_rate: 160.0 CUBIC FEET PER MINUTE NOMINAL, flow_direction: OUTWARD. This part is cataloged in the U.S.

Government catalog under NSN 4140-00-836-5746, 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

1021849-1

NSN: 4140-00-836-5746
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 49671 — LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN DIV LOCKHEED MARTIN (USA)

SPECIFICATIONS

phase	SINGLE
length	6.500 INCHES NOMINAL IN
material	ALUMINUM OVERALL
drive_type	DIRECT
air_flow_rate	160.0 CUBIC FEET PER MINUTE NOMINAL
flow_direction	OUTWARD
inclosure_type	PARTIALLY INCLOSED
prime_mover_type	ELECTRIC MOTOR
style_designator	FIXED
speed_adjustments	SINGLE SPEED
surface_treatment	ANODIZE OVERALL
frequency_in_hertz	60.0
NSN	4140-00-836-5746

COMPONENT DIAGRAM

KEY FEATURES

•

MOUNTING FACILITY TYPE AND QUANTITY: 1 FLANGE AND 4 UNTHREADED HOLE(S)

•

SPEED ADJUSTMENTS: SINGLE SPEED

•

PHASE: SINGLE

•

FREQUENCY IN HERTZ: 60.0

•

INCLOSURE TYPE: PARTIALLY INCLOSED

•

LENGTH: 6.500 INCHES NOMINAL IN

•

VOLTAGE IN VOLTS AND CURRENT TYPE: 115.0 AC

•

FLOW DIRECTION: OUTWARD

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 FLANGE AND 4 UNTHREADED HOLE(S)
SPEED ADJUSTMENTS	SINGLE SPEED
PHASE	SINGLE
FREQUENCY IN HERTZ	60.0
INCLOSURE TYPE	PARTIALLY INCLOSED
LENGTH	6.500 INCHES NOMINAL IN
VOLTAGE IN VOLTS AND CURRENT TYPE	115.0 AC
FLOW DIRECTION	OUTWARD
DRIVE TYPE	DIRECT
PRIME MOVER POWER RATING	0.028 HORSEPOWER

SUBSTITUTES & CROSS-REFERENCES 3

A0-29396Reference document

Same NSN cross-reference

Reference document — Secondary reference

MF-KS5501L-1660ASReference document

Same NSN cross-reference

Reference document — Secondary reference

MF-KS5501-L-1660AFReference 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 1021849-1?

1021849-1 is a FAN,CIRCULATING.

What parts can replace 1021849-1?

There are 3 known substitutes for 1021849-1: A0-29396, MF-KS5501L-1660AS, MF-KS5501-L-1660AF. Substitute compatibility should be verified for your specific system.

What is the NSN for 1021849-1?

1021849-1 is cataloged in the U.S. Government catalog under NSN 4140-00-836-5746. This indicates validated use in U.S. government and defense supply chains.

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