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Technical Data Sheet
PartsTable / COMPONENT / 666949
666949 ✓ Verified by PartsTable
Legrand · 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 666949 is a Legrand industrial component. Key specifications include end_item_identification: AN/TGC-14. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2520-00-773-5470, 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
666949
NSN: 2520-00-773-5470
FSC: 2520
CAGE: 58275 — SASCO INC CANADIAN DIV
SPECIFICATIONS
end_item_identificationAN/TGC-14
NSN2520-00-773-5470
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Legrand 666949 TITLE COMPONENT PN 666949 MFR Legrand 666949
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
SM-A-803658-1Interchangeable
interchangeable cross-reference
interchangeable
3173Interchangeable
interchangeable cross-reference
interchangeable
3M1583Interchangeable
interchangeable cross-reference
interchangeable
8304735Interchangeable
interchangeable cross-reference
interchangeable
35349Interchangeable
interchangeable cross-reference
interchangeable
C743586-8SUB5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 666949?
666949 is a 666949 manufactured by Legrand.
What parts can replace 666949?
There are 16 known substitutes for 666949: SM-A-803658-1, 3173, 3M1583 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 666949?
666949 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2520-00-773-5470. 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