PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4N26Coupler,optoelectronic

Electronic Industries Association · NSN 5980-01-029-6667 · FSC 5980 · Light Emitting Diode
Verified by PartsTable
NSN 5980-01-029-6667 — this item is cataloged by the U.S. Government under National Stock Number 5980-01-029-6667. Primary manufacturer part number: 4N26.
Features
  • Coupler,optoelectronic — FSC 5980
  • General Characteristics Item Description: GALLIUM ARSENIDE LIGHT EMITTING DIODE OPTICALLY COUPLED TO A SILICON PHOTO TRANSISTOR,1500 V HIGH ISOLATION,300 KHZ,DUAL-IN-LINE PKG KHz
  • 28 verified cross-references
  • Primary manufacturer: Electronic Industries Association
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupler,optoelectronic, cataloged under National Stock Number 5980-01-029-6667, is classified within Federal Supply Class 5980 (Light Emitting Diode) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Electronic Industries Association. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 28 commercial cross-references from 24 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5980-01-029-6667
Primary Part Number4N26
Item NameCoupler,optoelectronic
FSC / FSG5980 / 59 — Light Emitting Diode
ManufacturerElectronic Industries Association
StatusCANCELLED
General Characteristics Item DescriptionGALLIUM ARSENIDE LIGHT EMITTING DIODE OPTICALLY COUPLED TO A SILICON PHOTO TRANSISTOR,1500 V HIGH ISOLATION,300 KHZ,DUAL-IN-LINE PKG KHz
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
6210-00-419-343149700 INTERCHANGEABLE
Lamp
Keuffel and Esser Co
5980-00-584-2267 INTERCHANGEABLE
Coupler,optoelectronic
5935-00-715-9348771028D INTERCHANGEABLE
Connector,receptacle,electrical
Lockheed Martin Corporation Div Rms - Mitchel Field
5330-00-894-4997 INTERCHANGEABLE
Seal
5980-01-023-1623 INTERCHANGEABLE
Coupler,optoelectronic
5980-01-026-2437 INTERCHANGEABLE
Coupler,optoelectronic
5999-01-201-0403A-490-1 INTERCHANGEABLE
Delay Line
Frequency Selective Networks, Inc. Dba Frequency Selective Networks Inc
6150-01-389-617749700 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
2541-01-553-4588 INTERCHANGEABLE
Armor,transparent,vehicular Wind
5961-01-582-27314N26 INTERCHANGEABLE
Semiconductor Devices,unitized
Texas Instruments Inc
Cross-Reference Index
Part NumberManufacturer
4N26 Electronic Industries Association
4N26 Isocom Inc (USA)
45.240.004 Distrelec Deutschland Gmbh (DEU)
4N26 Freescale Semiconductor, Inc. (USA)
A490-1 Lockheed Martin Corp (USA)
4N26 Nxp Semiconductors France (FRA)
19-11998-00 Compaq Federal Llc (USA)
RELEASE6446 Electronic Industries Association
M0C1000 Freescale Semiconductor, Inc. (USA)
BP4420748 Rohde & Schwarz Gmbh & Co. Kommanditgesellschaft Dba R & S (DEU)
12069-0002 Honeywell International Inc Dba Honeywell (USA)
7904551-00 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
7000-04-2600 Wavetek U S Inc Div of Wavetek Corp (USA)
4N26A Adelco Elektronik Gmbh (DEU)
7904551-00 L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West (USA)
430078 Rca Corp Government and Commercial Systems Commercial Commications Systems Div (USA)
A490-1 Raytheon Technical Services Company (USA)
9550114190 Safran Helicopter Engines (FRA)
101-01-00001 L3 Aviation Products, Inc. Dba L3 Technologies (USA)
4N26 General Electric Co Semi-Conductor Products Dept (USA)
Related Parts
6210-00-419-3431INTERCHANGEABLE
LAMP
49700
5980-00-584-2267INTERCHANGEABLE
COUPLER,OPTOELECTRONIC
5935-00-715-9348INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
771028D
5330-00-894-4997INTERCHANGEABLE
SEAL
5980-01-023-1623INTERCHANGEABLE
COUPLER,OPTOELECTRONIC
5980-01-026-2437INTERCHANGEABLE
COUPLER,OPTOELECTRONIC
5999-01-201-0403INTERCHANGEABLE
DELAY LINE
A-490-1
6150-01-389-6177INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
49700
2541-01-553-4588INTERCHANGEABLE
ARMOR,TRANSPARENT,VEHICULAR WIND
5961-01-582-2731INTERCHANGEABLE
SEMICONDUCTOR DEVICES,UNITIZED
4N26

Frequently Asked Questions

What is NSN 5980-01-029-6667?

NSN 5980-01-029-6667 is a Coupler,optoelectronic, manufactured by Electronic Industries Association, classified under FSC 5980 (Light Emitting Diode). Status: cancelled.

What are the part numbers for NSN 5980-01-029-6667?

NSN 5980-01-029-6667 has 28 cross-referenced part numbers: 4N26 (Electronic Industries Association), 4N26 (Isocom Inc), 45.240.004 (Distrelec Deutschland Gmbh), 4N26 (Freescale Semiconductor, Inc.), A490-1 (Lockheed Martin Corp) and 23 more.

What NSN replaces 5980-01-029-6667?

There are 10 known substitutes for 5980-01-029-6667: 6210-00-419-3431, 5980-00-584-2267, 5935-00-715-9348 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4N26?

Key specifications for 4N26: General Characteristics Item Description: GALLIUM ARSENIDE LIGHT EMITTING DIODE OPTICALLY COUPLED TO A SILICON PHOTO TRANSISTOR,1500 V HIGH ISOLATION,300 KHZ,DUAL-IN-LINE PKG KHz. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5980-01-029-6667 still in active supply?

NSN 5980-01-029-6667 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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