MD48B1 — FAN,TUBEAXIAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

MD48B1: FAN,TUBEAXIAL.

The FAN,TUBEAXIAL is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include width: 4.690 INCHES NOMINAL IN, height: 4.690 INCHES NOMINAL IN, length: 1.540 INCHES NOMINAL IN, material: PLASTIC POLYPROPYLENE BLADE, drive_type: DIRECT, air_flow_rate: 110.0 CUBIC FEET PER MINUTE NOMINAL. This part is cataloged in the U.S.

Government catalog under NSN 4140-01-307-0271, 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

MD48B1

NSN: 4140-01-307-0271
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 82877 — ROTRON INCORPORATED (USA)

SPECIFICATIONS

width	4.690 INCHES NOMINAL IN
height	4.690 INCHES NOMINAL IN
length	1.540 INCHES NOMINAL IN
material	PLASTIC POLYPROPYLENE BLADE
drive_type	DIRECT
air_flow_rate	110.0 CUBIC FEET PER MINUTE NOMINAL
flow_direction	OUTWARD
inclosure_type	FULLY INCLOSED
prime_mover_type	ELECTRIC MOTOR
style_designator	FIXED
speed_adjustments	SINGLE SPEED
housing_inside_diameter	4.550 INCHES NOMINAL IN
NSN	4140-01-307-0271

COMPONENT DIAGRAM

KEY FEATURES

•

MOUNTING FACILITY TYPE AND QUANTITY: 8 UNTHREADED HOLE(S)

•

SPEED ADJUSTMENTS: SINGLE SPEED

•

INCLOSURE TYPE: FULLY INCLOSED

•

LENGTH: 1.540 INCHES NOMINAL IN

•

VOLTAGE IN VOLTS AND CURRENT TYPE: 22.0 DC OR 56.0 DC

•

FLOW DIRECTION: OUTWARD

•

HOUSING INSIDE DIAMETER: 4.550 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	8 UNTHREADED HOLE(S)
SPEED ADJUSTMENTS	SINGLE SPEED
INCLOSURE TYPE	FULLY INCLOSED
LENGTH	1.540 INCHES NOMINAL IN
VOLTAGE IN VOLTS AND CURRENT TYPE	22.0 DC OR 56.0 DC
FLOW DIRECTION	OUTWARD
HOUSING INSIDE DIAMETER	4.550 INCHES NOMINAL IN
DRIVE TYPE	DIRECT
PRIME MOVER POWER RATING	5.2 WATTS
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 1

028867Reference 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 MD48B1?

MD48B1 is a FAN,TUBEAXIAL.

What parts can replace MD48B1?

There is 1 known substitute for MD48B1: 028867. Substitute compatibility should be verified for your specific system.

What is the NSN for MD48B1?

MD48B1 is cataloged in the U.S. Government catalog under NSN 4140-01-307-0271. This indicates validated use in U.S. government and defense supply chains.

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MD48B1 — FAN,TUBEAXIAL

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