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1980186 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The RELAY,FAN CONTROL is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include material: COPPER ALLOY OVERALL, base_style: TELEPHONE SLIDE SPECIAL, bulb_style: T (TUBULAR), overall_length: 0.4860 INCHES MINIMUM AND 0.4920 INCHES MAXIMUM IN, voltage_rating: 24.000 VOLTS NOMINAL, wattage_rating: 2.160 WATTS AND 2.640 WATTS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5945-00-863-5851, 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
1980186
NSN: 5945-00-863-5851
FSC: 5945
CAGE: 89856 — CHRYSLER CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
base_styleTELEPHONE SLIDE SPECIAL
bulb_styleT (TUBULAR)
overall_length0.4860 INCHES MINIMUM AND 0.4920 INCHES MAXIMUM IN
wattage_rating2.160 WATTS AND 2.640 WATTS
bulb_designatorT-2
rated_average_lifeINDEFINITE LONG
light_output_rating1000.000 END FOOTCANDLES NOMINAL SINGLE RATING
body_inside_diameter0.2805 INCHES MINIMUM AND 0.2815 INCHES MAXIMUM IN
filament_designationC-21
emitted_light_characteristicWHITE
right_flange_outside_diameter0.4975 INCHES MINIMUM AND 0.4985 INCHES MAXIMUM IN
NSN5945-00-863-5851
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RELAY,FAN CONTROL TITLE COMPONENT PN 1980186 MFR RELAY,FAN CONTROL
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
D9493AInterchangeable
interchangeable cross-reference
interchangeable
1224TAInterchangeable
interchangeable cross-reference
interchangeable
43001296-1Interchangeable
interchangeable cross-reference
interchangeable
211494Interchangeable
interchangeable cross-reference
interchangeable
211214Interchangeable
interchangeable cross-reference
interchangeable
510353REVA2PC5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1980186?
1980186 is a RELAY,FAN CONTROL.
What parts can replace 1980186?
There are 8 known substitutes for 1980186: D9493A, 1224TA, 43001296-1 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1980186?
1980186 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5945-00-863-5851. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026