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Technical Data Sheet
A0-74994 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The FAN,TUBEAXIAL is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include phase: SINGLE, length: 1.630 INCHES NOMINAL IN, material: ALUMINUM ALLOY OVERALL, drive_type: DIRECT, air_flow_rate: 68.0 CUBIC FEET PER MINUTE NOMINAL, flow_direction: INWARD. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4140-01-078-4814, 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
A0-74994
NSN: 4140-01-078-4814
FSC: 4140
CAGE: 82877 — ROTRON INCORPORATED (USA)
SPECIFICATIONS
phaseSINGLE
length1.630 INCHES NOMINAL IN
materialALUMINUM ALLOY OVERALL
drive_typeDIRECT
air_flow_rate68.0 CUBIC FEET PER MINUTE NOMINAL
flow_directionINWARD
inclosure_typeFULLY INCLOSED
prime_mover_typeELECTRIC MOTOR
special_featuresSUBMERSIBLE PROPELLER; 2 DRAIN HOLES ON ROTOR PROPELLER FACE AND 2 DRAIN HOLES ON CIRCUMFERENCE; 0.040 DIA OF HOLES
style_designatorFIXED
speed_adjustmentsSINGLE SPEED
surface_treatmentENAMEL OVERALL
NSN4140-01-078-4814
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FAN,TUBEAXIAL TITLE COMPONENT PN A0-74994 MFR FAN,TUBEAXIAL
KEY FEATURES
SPEED ADJUSTMENTS: SINGLE SPEED
LENGTH: 1.630 INCHES NOMINAL IN
PHASE: SINGLE
PRIME MOVER DRIVE SHAFT BEARING TYPE: BALL
ROTATION DIRECTION FOR WHICH DESIGNED: CLOCKWISE
DRIVE TYPE: DIRECT
STATIC PRESSURE AT SPECIFIED AIR FLOW RATE: ERR-060
PRIME MOVER TYPE: ELECTRIC MOTOR
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS (FLIS)
SPEED ADJUSTMENTSSINGLE SPEED
LENGTH1.630 INCHES NOMINAL IN
PHASESINGLE
PRIME MOVER DRIVE SHAFT BEARING TYPEBALL
ROTATION DIRECTION FOR WHICH DESIGNEDCLOCKWISE
DRIVE TYPEDIRECT
STATIC PRESSURE AT SPECIFIED AIR FLOW RATEERR-060
PRIME MOVER TYPEELECTRIC MOTOR
INCLOSURE TYPEFULLY INCLOSED
PRIME MOVER POWER RATING18.0 WATTS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
PROPIMAX2-415ZHInterchangeable
interchangeable cross-reference
interchangeable
A0-40767Interchangeable
interchangeable cross-reference
interchangeable
A0-18577Interchangeable
interchangeable cross-reference
interchangeable
354323-1Interchangeable
interchangeable cross-reference
interchangeable
1929065Interchangeable
interchangeable cross-reference
interchangeable
02678-5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A0-74994?
A0-74994 is a FAN,TUBEAXIAL.
What parts can replace A0-74994?
There are 7 known substitutes for A0-74994: PROPIMAX2-415ZH, A0-40767, A0-18577 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A0-74994?
A0-74994 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4140-01-078-4814. This indicates validated use in U.S. government and defense supply chains.
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