PartsTable
Technical Data Sheet
Download PDF

1771AS249 — IMPELLER,FAN,AXIAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1771AS249: IMPELLER,FAN,AXIAL.

The IMPELLER,FAN,AXIAL is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include diameter: 24.000 INCHES NOMINAL IN, material: PLASTIC POLYAMIDE NYLON BLADE, hub_location: CENTER, style_designator: ROUNDED TIP, attachment_method: BOLT HOLE, mounting_hole_diameter: 0.359 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4140-01-363-8262, 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
1771AS249
NSN: 4140-01-363-8262
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
diameter24.000 INCHES NOMINAL IN
materialPLASTIC POLYAMIDE NYLON BLADE
hub_locationCENTER
blade_quantity9
style_designatorROUNDED TIP
attachment_methodBOLT HOLE
mounting_hole_diameter0.359 INCHES NOMINAL IN
mounting_hole_quantity4
end_item_identificationAIRCRAFT TOW TRACTOR
rotation_direction_for_which_designedCLOCKWISE
NSN4140-01-363-8262
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available IMPELLER,FAN,AXIAL TITLE COMPONENT PN 1771AS249 MFR IMPELLER,FAN,AXIAL
KEY FEATURES
•
MOUNTING HOLE QUANTITY: 4
•
STYLE DESIGNATOR: ROUNDED TIP
•
ATTACHMENT METHOD: BOLT HOLE
•
MOUNTING HOLE DIAMETER: 0.359 INCHES NOMINAL IN
•
DIAMETER: 24.000 INCHES NOMINAL IN
•
BLADE QUANTITY: 9
•
HUB LOCATION: CENTER
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY4
STYLE DESIGNATORROUNDED TIP
ATTACHMENT METHODBOLT HOLE
MOUNTING HOLE DIAMETER0.359 INCHES NOMINAL IN
DIAMETER24.000 INCHES NOMINAL IN
BLADE QUANTITY9
HUB LOCATIONCENTER
END ITEM IDENTIFICATIONAIRCRAFT TOW TRACTOR
MATERIALPLASTIC POLYAMIDE NYLON BLADE
ROTATION DIRECTION FOR WHICH DESIGNEDCLOCKWISE
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
Ready to buy 1771AS249?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 1771AS249?
1771AS249 is a IMPELLER,FAN,AXIAL.
What is the NSN for 1771AS249?
1771AS249 is cataloged in the U.S. Government catalog under NSN 4140-01-363-8262. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 1771AS249

✓ 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.