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L-1216-A — IMPELLER,FAN,CENTRIFUGAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

L-1216-A: IMPELLER,FAN,CENTRIFUGAL.

The IMPELLER,FAN,CENTRIFUGAL is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include width: 0.687 INCHES NOMINAL IN, diameter: 9.000 INCHES NOMINAL IN, special_features: METALLIC ALLOY, style_designator: STRAIGHT RADIAL W/ BACK PLATE, attachment_method: BOLT HOLE, mounting_hole_diameter: 0.391 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4140-00-884-4553, 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
L-1216-A
NSN: 4140-00-884-4553
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 32770 — KATO ENGINEERING INC. (USA)
SPECIFICATIONS
width0.687 INCHES NOMINAL IN
diameter9.000 INCHES NOMINAL IN
blade_quantity8
special_featuresMETALLIC ALLOY
style_designatorSTRAIGHT RADIAL W/ BACK PLATE
attachment_methodBOLT HOLE
mounting_hole_diameter0.391 INCHES NOMINAL IN
mounting_hole_quantity4
mounting_bolt_circle_diameter4.251 INCHES NOMINAL IN
NSN4140-00-884-4553
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available IMPELLER,FAN,CENTRIFUGAL TITLE COMPONENT PN L-1216-A MFR IMPELLER,FAN,CENTRIFUG
KEY FEATURES
•
MOUNTING HOLE QUANTITY: 4
•
STYLE DESIGNATOR: STRAIGHT RADIAL W/ BACK PLATE
•
ATTACHMENT METHOD: BOLT HOLE
•
MOUNTING HOLE DIAMETER: 0.391 INCHES NOMINAL IN
•
DIAMETER: 9.000 INCHES NOMINAL IN
•
BLADE QUANTITY: 8
•
MOUNTING BOLT CIRCLE DIAMETER: 4.251 INCHES NOMINAL IN
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 DESIGNATORSTRAIGHT RADIAL W/ BACK PLATE
ATTACHMENT METHODBOLT HOLE
MOUNTING HOLE DIAMETER0.391 INCHES NOMINAL IN
DIAMETER9.000 INCHES NOMINAL IN
BLADE QUANTITY8
MOUNTING BOLT CIRCLE DIAMETER4.251 INCHES NOMINAL IN
SPECIAL FEATURESMETALLIC ALLOY
WIDTH0.687 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 1
1021-694Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is L-1216-A?
L-1216-A is a IMPELLER,FAN,CENTRIFUGAL.
What parts can replace L-1216-A?
There is 1 known substitute for L-1216-A: 1021-694. Substitute compatibility should be verified for your specific system.
What is the NSN for L-1216-A?
L-1216-A is cataloged in the U.S. Government catalog under NSN 4140-00-884-4553. 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.