MUFFIN MD48B2 — FAN,TUBEAXIAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

MUFFIN MD48B2: 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: 1.580 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 4140-01-134-9835, 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

MUFFIN MD48B2

NSN: 4140-01-134-9835
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 5Y921 — COMAIR ROTRON INC SUB OF KL INDUSTRIES INC (USA)

SPECIFICATIONS

width	4.690 INCHES NOMINAL IN
height	4.690 INCHES NOMINAL IN
length	1.580 INCHES NOMINAL IN
material	PLASTIC POLYPROPYLENE BLADE
drive_type	DIRECT
air_flow_rate	110.0 CUBIC FEET PER MINUTE NOMINAL
flow_direction	INWARD
inclosure_type	FULLY INCLOSED
prime_mover_type	ELECTRIC MOTOR
style_designator	FIXED
speed_adjustments	SINGLE SPEED
housing_inside_diameter	4.125 INCHES NOMINAL IN
NSN	4140-01-134-9835

COMPONENT DIAGRAM

KEY FEATURES

•

MOUNTING FACILITY TYPE AND QUANTITY: 2 UNTHREADED HOLE(S)

•

SPEED ADJUSTMENTS: SINGLE SPEED

•

INCLOSURE TYPE: FULLY INCLOSED

•

LENGTH: 1.580 INCHES NOMINAL IN

•

VOLTAGE IN VOLTS AND CURRENT TYPE: 48.0 DC

•

FLOW DIRECTION: INWARD

•

HOUSING INSIDE DIAMETER: 4.125 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	2 UNTHREADED HOLE(S)
SPEED ADJUSTMENTS	SINGLE SPEED
INCLOSURE TYPE	FULLY INCLOSED
LENGTH	1.580 INCHES NOMINAL IN
VOLTAGE IN VOLTS AND CURRENT TYPE	48.0 DC
FLOW DIRECTION	INWARD
HOUSING INSIDE DIAMETER	4.125 INCHES NOMINAL IN
DRIVE TYPE	DIRECT
STYLE DESIGNATOR	FIXED
HEIGHT	4.690 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 2

028870Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

032046Reference 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 MUFFIN MD48B2?

MUFFIN MD48B2 is a FAN,TUBEAXIAL.

What parts can replace MUFFIN MD48B2?

There are 2 known substitutes for MUFFIN MD48B2: 028870, 032046. Substitute compatibility should be verified for your specific system.

What is the NSN for MUFFIN MD48B2?

MUFFIN MD48B2 is cataloged in the U.S. Government catalog under NSN 4140-01-134-9835. This indicates validated use in U.S. government and defense supply chains.

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