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Technical Data Sheet
PartsTable / MRO / 20519611-2
20519611-2 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
SR = Short Range (multimode, 300m) | LR = Long Range (single-mode, 10km) DOM = Digital Optical Monitoring — most enterprise SFPs support it
MATCH ALL THREE: Speed + Wavelength + Brand compatibility
PRODUCT OVERVIEW

CISCO 100BASE-FX SFP for Gigabit Ethernet SFP Ports. Key specifications include part_name_assigned_by_controlling_agency: CONVERTER, NETWORK INTERFACE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-603-2039, 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
MRO→ MRO_GENERAL→ 20519611-2
NSN: 7025-01-603-2039
FSC: 7025
CAGE: 02769 — LOCKHEED MARTIN CORPORATION DIV RMS (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyCONVERTER, NETWORK INTERFACE
NSN7025-01-603-2039
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 20519611-2 MFR OEM CISCO 100BASE-FX SFP for Gigabit Etherne
TYPICAL APPLICATIONS
  • Data center top-of-rack switching
  • High-speed server interconnects (10G/25G/40G/100G)
  • Storage network fabric (iSCSI, FCoE)
  • Campus and branch network infrastructure
  • Firewall and security appliance connectivity
  • WAN edge and SD-WAN deployments
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYCONVERTER, NETWORK INTERFACE
PART NAME ASSIGNED BY CONTROLLING AGENCYCONVERTER, NETWORK INTERFACE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
B807-10351Upgraded Successor
successor cross-reference
successor
GLC-GE-100FXUpgraded Successor
CISCO 100BASE-FX SFP for Gigabit Ethernet SFP Ports
successor
GLC-GE-100FX=Upgraded Successor
successor cross-reference
successor
7402703-004Interchangeable
Port Module Sfp100b
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20519611-2?
20519611-2 is a CISCO 100BASE-FX SFP for Gigabit Ethernet SFP Ports. It is classified as a MRO (MRO_GENERAL).
What parts can replace 20519611-2?
There are 4 known substitutes for 20519611-2: B807-10351, GLC-GE-100FX, GLC-GE-100FX= and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20519611-2?
20519611-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-603-2039. 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