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02-2181 ✓ Verified by PartsTable
Legrand · FAN MODULE
WHAT YOU NEED TO KNOW
Hot-plug fans can be replaced without shutdown Dual-rotor = higher CFM for high-power configs (GPU, dense storage)
AIRFLOW DIRECTION IS CRITICAL — reversed fan = thermal shutdown
PRODUCT OVERVIEW

Safety switch for disconnection and isolation of phases<br>IP 2X<br>Double breaking on each phase<br>Red rotary handle on yellow plate<br>Immediate display of position<br>horizontal: open (O)<br>vertical: closed (I)<br>Equipped with non reversible terminals<br>Conform to IEC EN 60947-3<br>UL-cUL (USA and Canada) agreements (except boxes)<br>IP 65 - IK 07 for boxes This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-01-299-9263, 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
02-2181
NSN: 5999-01-299-9263
FSC: 5999
CAGE: 24862 — N H RESEARCH, LLC DBA NH RESEARCH LLC (USA)
SPECIFICATIONS
phaseTHREE
length70.0 MILLIMETERS NOMINAL MM
diameter3.248 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING OVERALL
bore_shapeSTRAIGHT
drive_typeDIRECT
air_flow_rate123.000 CUBIC FEET PER MINUTE NOMINAL
bore_diameter15.00 MILLIMETERS NOMINAL MM
overall_width0.5000 INCHES NOMINAL IN
seal_quantity1
thread_length16.0 MILLIMETERS MM
flow_directionOUTWARD
NSN5999-01-299-9263
COMPONENT DIAGRAM
HANDLE 60mm 60mm HOT-PLUG COOL IN HOT OUT DUAL ROTOR HOT-SWAP FAN MODULE | 60mm Dual Rotor | FRONT-TO-BACK Hot-plug | Redundant | TITLE FAN MODULE PN 02-2181 MFR Legrand HEAT SINK,ELECTRICAL-ELECTRONIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
4910172Interchangeable
interchangeable cross-reference
interchangeable
202KLFS641Interchangeable
interchangeable cross-reference
interchangeable
BLRCE1-11Interchangeable
interchangeable cross-reference
interchangeable
PR0PIMAX3B-815WSInterchangeable
interchangeable cross-reference
interchangeable
GF802BR2Interchangeable
interchangeable cross-reference
interchangeable
2501625PC54Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 02-2181?
02-2181 is a HEAT SINK,ELECTRICAL-ELECTRONIC manufactured by Legrand.
What parts can replace 02-2181?
There are 8 known substitutes for 02-2181: 4910172, 202KLFS641, BLRCE1-11 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 02-2181?
02-2181 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-01-299-9263. 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