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CN1808916 — FAN,TUBEAXIAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

CN1808916: 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: 4.470 INCHES NOMINAL IN, height: 4.700 INCHES NOMINAL IN, length: 1.490 INCHES NOMINAL IN, material: STEEL BLADE, drive_type: DIRECT, flow_direction: INWARD. This part is cataloged in the U.S.

Government catalog under NSN 4140-01-459-4477, 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
CN1808916
NSN: 4140-01-459-4477
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
width4.470 INCHES NOMINAL IN
height4.700 INCHES NOMINAL IN
length1.490 INCHES NOMINAL IN
materialSTEEL BLADE
drive_typeDIRECT
flow_directionINWARD
style_designatorFIXED
frequency_in_hertz50.0 AND 60.0
housing_inside_diameter4.125 INCHES NOMINAL IN
mounting_facility_type_and_quantity8 UNTHREADED HOLE(S)
rotation_direction_for_which_designedCLOCKWISE
NSN4140-01-459-4477
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FAN,TUBEAXIAL TITLE COMPONENT PN CN1808916 MFR FAN,TUBEAXIAL
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 8 UNTHREADED HOLE(S)
•
FREQUENCY IN HERTZ: 50.0 AND 60.0
•
LENGTH: 1.490 INCHES NOMINAL IN
•
VOLTAGE IN VOLTS AND CURRENT TYPE: 230.0 AC
•
FLOW DIRECTION: INWARD
•
HOUSING INSIDE DIAMETER: 4.125 INCHES NOMINAL IN
•
DRIVE TYPE: DIRECT
•
STYLE DESIGNATOR: FIXED
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 QUANTITY8 UNTHREADED HOLE(S)
FREQUENCY IN HERTZ50.0 AND 60.0
LENGTH1.490 INCHES NOMINAL IN
VOLTAGE IN VOLTS AND CURRENT TYPE230.0 AC
FLOW DIRECTIONINWARD
HOUSING INSIDE DIAMETER4.125 INCHES NOMINAL IN
DRIVE TYPEDIRECT
STYLE DESIGNATORFIXED
HEIGHT4.700 INCHES NOMINAL IN
WIDTH4.470 INCHES NOMINAL IN
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is CN1808916?
CN1808916 is a FAN,TUBEAXIAL.
What is the NSN for CN1808916?
CN1808916 is cataloged in the U.S. Government catalog under NSN 4140-01-459-4477. 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.