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M5421E1B — FAN,VANEAXIAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

M5421E1B: FAN,VANEAXIAL.

The FAN,VANEAXIAL is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include length: 8.240 INCHES MAXIMUM IN, diameter: 5.495 INCHES MINIMUM AND 5.515 INCHES MAXIMUM IN, drive_type: DIRECT, prime_mover_type: ELECTRIC MOTOR, style_designator: FIXED, surface_treatment: CADMIUM AND LACQUER BLADE. This part is cataloged in the U.S.

Government catalog under NSN 4140-01-032-3705, 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
M5421E1B
NSN: 4140-01-032-3705
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 18965 — DYNAMIC AIR ENGINEERING, INC. (USA)
SPECIFICATIONS
length8.240 INCHES MAXIMUM IN
diameter5.495 INCHES MINIMUM AND 5.515 INCHES MAXIMUM IN
quantity1
drive_typeDIRECT
prime_mover_typeELECTRIC MOTOR
style_designatorFIXED
surface_treatmentCADMIUM AND LACQUER BLADE
housing_inside_diameter6.375 INCHES NOMINAL IN
rotation_direction_for_which_designedCOUNTERCLOCKWISE
NSN4140-01-032-3705
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FAN,VANEAXIAL TITLE COMPONENT PN M5421E1B MFR FAN,VANEAXIAL
KEY FEATURES
•
LENGTH: 8.240 INCHES MAXIMUM IN
•
HOUSING INSIDE DIAMETER: 6.375 INCHES NOMINAL IN
•
DRIVE TYPE: DIRECT
•
QUANTITY: 1
•
STYLE DESIGNATOR: FIXED
•
DIAMETER: 5.495 INCHES MINIMUM AND 5.515 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM AND LACQUER BLADE
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS
LENGTH8.240 INCHES MAXIMUM IN
HOUSING INSIDE DIAMETER6.375 INCHES NOMINAL IN
DRIVE TYPEDIRECT
QUANTITY1
STYLE DESIGNATORFIXED
DIAMETER5.495 INCHES MINIMUM AND 5.515 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM AND LACQUER BLADE
SURFACE TREATMENTCADMIUM AND LACQUER HOUSING OUTSIDE
PRIME MOVER TYPEELECTRIC MOTOR
ROTATION DIRECTION FOR WHICH DESIGNEDCOUNTERCLOCKWISE
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
209-073-115-3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is M5421E1B?
M5421E1B is a FAN,VANEAXIAL.
What parts can replace M5421E1B?
There is 1 known substitute for M5421E1B: 209-073-115-3. Substitute compatibility should be verified for your specific system.
What is the NSN for M5421E1B?
M5421E1B is cataloged in the U.S. Government catalog under NSN 4140-01-032-3705. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.