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661659 — CABLE ASSEMBLY,FIBER OPTIC

✓ Government record, cited
Legrand · TRANSCEIVER · SFP_1G
PRODUCT OVERVIEW

661659: CABLE ASSEMBLY,FIBER OPTIC.

The CABLE ASSEMBLY,FIBER OPTIC is a Legrand optical transceiver module designed for high-speed data center interconnects. Key specifications include part_name_assigned_by_controlling_agency: ASSY, 40 CONDUCTOR RIBBON CBL. This part is cataloged in the U.S.

Government catalog under NSN 6020-01-485-9447, 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
TRANSCEIVER→ SFP_1G→ 661659
NSN: 6020-01-485-9447
FSC: 6020 — Fiber Optic Cable Assemblies and Harnesses
CAGE: 05234 — THERMO JARRELL ASH CORP BAIRD DIV (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyASSY, 40 CONDUCTOR RIBBON CBL
NSN6020-01-485-9447
COMPONENT DIAGRAM
BAIL LATCH 10G SFP+ 850nm · SR (MMF, 300m) DOM: Digital Optical Monitoring TX RX LC DUPLEX 20-PIN EDGE CONNECTOR ~56.5 mm ~13.4mm SFP+ TRANSCEIVER | 10G | 850nm | SR (MMF, 300m) Hot-swappable | LC duplex fiber | DDM/DOM supported TITLE SFP+ XCVR PN 661659 MFR Legrand CABLE ASSEMBLY,FIBER OPTIC
TYPICAL APPLICATIONS
  • Data center switch-to-switch interconnects
  • Server-to-storage fabric connectivity
  • Long-distance fiber optic links
  • High-speed uplink connections (10G/25G/40G/100G)
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYASSY, 40 CONDUCTOR RIBBON CBL
OTHER ITEMS IN FSC 6020 — Fiber Optic Cable Assemblies and Harnesses
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6020-00-005-6511 6020-00-157-9817 6020-00-292-9179 6020-00-292-9181 6020-00-423-6665 6020-00-489-9196 6020-00-516-3098 6020-00-819-0912
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 661659?
661659 is a CABLE ASSEMBLY,FIBER OPTIC manufactured by Legrand. It is classified as a TRANSCEIVER (SFP_1G).
What is the NSN for 661659?
661659 is cataloged in the U.S. Government catalog under NSN 6020-01-485-9447. 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.