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40320-4 — FAN,VANEAXIAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

40320-4: FAN,VANEAXIAL.

The FAN,VANEAXIAL is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include material: NICKEL ALLOY, valve_design_control_activity: 35795, valve_size_for_which_designed: 4.000 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4140-01-158-0786, 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
40320-4
NSN: 4140-01-158-0786
NIINs: 011580786, 013928174
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 62228 — MEGGITT DEFENSE SYSTEMS, INC. DBA MEGGITT DEFENSE SYSTEMS INC (USA)
SPECIFICATIONS
materialNICKEL ALLOY
valve_design_control_activity35795
valve_size_for_which_designed4.000 INCHES IN
NSN4140-01-158-0786
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FAN,VANEAXIAL TITLE COMPONENT PN 40320-4 MFR FAN,VANEAXIAL
KEY FEATURES
•
LENGTH: 21.260 INCHES NOMINAL IN
•
HOUSING INSIDE DIAMETER: 22.050 INCHES NOMINAL IN
•
QUANTITY: 1
•
STYLE DESIGNATOR: FIXED
•
OPERATING SPEED AT RATED CAPACITY IN RPM: 3950.0
•
MATERIAL: MAGNESIUM OVERALL
•
ROTATION DIRECTION FOR WHICH DESIGNED: COUNTERCLOCKWISE
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS
LENGTH21.260 INCHES NOMINAL IN
HOUSING INSIDE DIAMETER22.050 INCHES NOMINAL IN
QUANTITY1
STYLE DESIGNATORFIXED
OPERATING SPEED AT RATED CAPACITY IN RPM3950.0
MATERIALMAGNESIUM OVERALL
ROTATION DIRECTION FOR WHICH DESIGNEDCOUNTERCLOCKWISE
SUBSTITUTES & CROSS-REFERENCES 2
10500760Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
40320-1Reference 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 40320-4?
40320-4 is a FAN,VANEAXIAL.
What parts can replace 40320-4?
There are 2 known substitutes for 40320-4: 10500760, 40320-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 40320-4?
40320-4 is cataloged in the U.S. Government catalog under NSN 4140-01-158-0786. 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.