SM-B-179076 — FAN,TUBEAXIAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

SM-B-179076: FAN,TUBEAXIAL.

The FAN,TUBEAXIAL is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include length: 4.297 INCHES NOMINAL IN, material: ALUMINUM OVERALL, drive_type: DIRECT, air_flow_rate: 24.000 CUBIC FEET PER MINUTE NOMINAL, flow_direction: INWARD, inclosure_type: FULLY INCLOSED. This part is cataloged in the U.S.

Government catalog under NSN 4140-00-273-9798, 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

SM-B-179076

NSN: 4140-00-273-9798
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)

SPECIFICATIONS

length	4.297 INCHES NOMINAL IN
material	ALUMINUM OVERALL
drive_type	DIRECT
air_flow_rate	24.000 CUBIC FEET PER MINUTE NOMINAL
flow_direction	INWARD
inclosure_type	FULLY INCLOSED
prime_mover_type	ELECTRIC MOTOR
special_features	2.25 IN. SQ FLANGE W/HOLE EA CORNER ON INTAKE END OF VENTURI TUBE IN
style_designator	FIXED
speed_adjustments	SINGLE SPEED
surface_treatment	ANODIZE OVERALL
housing_inside_diameter	2.125 INCHES NOMINAL IN
NSN	4140-00-273-9798

COMPONENT DIAGRAM

KEY FEATURES

•

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

•

SPEED ADJUSTMENTS: SINGLE SPEED

•

INCLOSURE TYPE: FULLY INCLOSED

•

LENGTH: 4.297 INCHES NOMINAL IN

•

VOLTAGE IN VOLTS AND CURRENT TYPE: 27.0 DC

•

FLOW DIRECTION: INWARD

•

HOUSING INSIDE DIAMETER: 2.125 INCHES NOMINAL IN

•

DRIVE TYPE: DIRECT

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
INCLOSURE TYPE	FULLY INCLOSED
LENGTH	4.297 INCHES NOMINAL IN
VOLTAGE IN VOLTS AND CURRENT TYPE	27.0 DC
FLOW DIRECTION	INWARD
HOUSING INSIDE DIAMETER	2.125 INCHES NOMINAL IN
DRIVE TYPE	DIRECT
PRIME MOVER POWER RATING	0.070 HORSEPOWER
STYLE DESIGNATOR	FIXED

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 3

334907789Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

3H1933-27Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

C19A-529Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is SM-B-179076?

SM-B-179076 is a FAN,TUBEAXIAL.

What parts can replace SM-B-179076?

There are 3 known substitutes for SM-B-179076: 334907789, 3H1933-27, C19A-529. Substitute compatibility should be verified for your specific system.

What is the NSN for SM-B-179076?

SM-B-179076 is cataloged in the U.S. Government catalog under NSN 4140-00-273-9798. This indicates validated use in U.S. government and defense supply chains.

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