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M4381B1B1 — FAN,TUBEAXIAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

M4381B1B1: 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: 4.585 INCHES MINIMUM AND 4.595 INCHES MAXIMUM IN, diameter: 4.370 INCHES MINIMUM AND 4.380 INCHES MAXIMUM IN, drive_type: DIRECT, flow_direction: INWARD, inclosure_type: FULLY INCLOSED, prime_mover_type: ELECTRIC MOTOR. This part is cataloged in the U.S.

Government catalog under NSN 4140-00-993-5273, 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
M4381B1B1
NSN: 4140-00-993-5273
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 18965 — DYNAMIC AIR ENGINEERING, INC. (USA)
SPECIFICATIONS
length4.585 INCHES MINIMUM AND 4.595 INCHES MAXIMUM IN
diameter4.370 INCHES MINIMUM AND 4.380 INCHES MAXIMUM IN
drive_typeDIRECT
flow_directionINWARD
inclosure_typeFULLY INCLOSED
prime_mover_typeELECTRIC MOTOR
special_featuresPAINT RED 1.00 DIA AROUND BORE OF IMPELLER
style_designatorFIXED
features_providedNONSPARKING
speed_adjustmentsSINGLE SPEED
surface_treatmentCHROMATE AND LACQUER BLADE
housing_inside_diameter4.515 INCHES NOMINAL IN
NSN4140-00-993-5273
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FAN,TUBEAXIAL TITLE COMPONENT PN M4381B1B1 MFR FAN,TUBEAXIAL
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 2 FLANGE AND 12 UNTHREADED HOLE(S)
•
SPEED ADJUSTMENTS: SINGLE SPEED
•
INCLOSURE TYPE: FULLY INCLOSED
•
LENGTH: 4.585 INCHES MINIMUM AND 4.595 INCHES MAXIMUM IN
•
VOLTAGE IN VOLTS AND CURRENT TYPE: 27.0 DC
•
FLOW DIRECTION: INWARD
•
HOUSING INSIDE DIAMETER: 4.515 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 QUANTITY2 FLANGE AND 12 UNTHREADED HOLE(S)
SPEED ADJUSTMENTSSINGLE SPEED
INCLOSURE TYPEFULLY INCLOSED
LENGTH4.585 INCHES MINIMUM AND 4.595 INCHES MAXIMUM IN
VOLTAGE IN VOLTS AND CURRENT TYPE27.0 DC
FLOW DIRECTIONINWARD
HOUSING INSIDE DIAMETER4.515 INCHES NOMINAL IN
DRIVE TYPEDIRECT
PRIME MOVER POWER RATING0.016 HORSEPOWER
STYLE DESIGNATORFIXED
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

No substitute or cross-reference records for this part.

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 M4381B1B1?
M4381B1B1 is a FAN,TUBEAXIAL.
What is the NSN for M4381B1B1?
M4381B1B1 is cataloged in the U.S. Government catalog under NSN 4140-00-993-5273. This indicates validated use in U.S. government and defense supply chains.
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