PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4N27Coupler,optoelectronic

Texas Instruments Incorporated · NSN 5980-01-267-4853 · FSC 5980 · Light Emitting Diode
Verified by PartsTable
NSN 5980-01-267-4853 — this item is cataloged by the U.S. Government under National Stock Number 5980-01-267-4853. Primary manufacturer part number: 4N27.
Features
  • Coupler,optoelectronic — FSC 5980
  • General Characteristics Item Description: GALLIUM ARSENIDE DIODE,PLASTIC DUAL-IN-LINE PKG,6 PIN; NPN SILICON PHOTOTRANSISTOR; 0.330 MIN IN. 0.370 MAX IN. LG; 0.240 IN. MIN. 0.260 IN. MAX WIDE; 0.950 IN. MIN 1.450 IN. MAX HIGH IN
  • 3 verified cross-references
  • Primary manufacturer: Texas Instruments Incorporated
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupler,optoelectronic, cataloged under National Stock Number 5980-01-267-4853, is classified within Federal Supply Class 5980 (Light Emitting Diode) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Texas Instruments Incorporated. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5980-01-267-4853
Primary Part Number4N27
Item NameCoupler,optoelectronic
FSC / FSG5980 / 59 — Light Emitting Diode
ManufacturerTexas Instruments Incorporated
StatusACTIVE
General Characteristics Item DescriptionGALLIUM ARSENIDE DIODE,PLASTIC DUAL-IN-LINE PKG,6 PIN; NPN SILICON PHOTOTRANSISTOR; 0.330 MIN IN. 0.370 MAX IN. LG; 0.240 IN. MIN. 0.260 IN. MAX WIDE; 0.950 IN. MIN 1.450 IN. MAX HIGH IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5980-01-023-1623 INTERCHANGEABLE
Coupler,optoelectronic
5980-01-630-62424N27M INTERCHANGEABLE
Coupler,optoelectronic
Fairchild Semiconductor Corporation
Cross-Reference Index
Part NumberManufacturer
4N27 PRIMARY Texas Instruments Incorporated (USA)
41181-001-00-3 Bae Systems Maritime Services Limited (GBR)
41181-001-00-3 British Aerospace Defence Systems Ltd T/a Bae Systems (GBR)
Related Parts
5980-01-023-1623INTERCHANGEABLE
COUPLER,OPTOELECTRONIC
5980-01-630-6242INTERCHANGEABLE
COUPLER,OPTOELECTRONIC
4N27M

Frequently Asked Questions

What is NSN 5980-01-267-4853?

NSN 5980-01-267-4853 is a Coupler,optoelectronic, manufactured by Texas Instruments Incorporated, classified under FSC 5980 (Light Emitting Diode). Status: active.

What are the part numbers for NSN 5980-01-267-4853?

NSN 5980-01-267-4853 has 3 cross-referenced part numbers: 4N27 (Texas Instruments Incorporated), 41181-001-00-3 (Bae Systems Maritime Services Limited), 41181-001-00-3 (British Aerospace Defence Systems Ltd T/a Bae Systems).

What NSN replaces 5980-01-267-4853?

There are 2 known substitutes for 5980-01-267-4853: 5980-01-023-1623, 5980-01-630-6242. Verify interchangeability with system specifications before substitution.

What are the specifications of 4N27?

Key specifications for 4N27: General Characteristics Item Description: GALLIUM ARSENIDE DIODE,PLASTIC DUAL-IN-LINE PKG,6 PIN; NPN SILICON PHOTOTRANSISTOR; 0.330 MIN IN. 0.370 MAX IN. LG; 0.240 IN. MIN. 0.260 IN. MAX WIDE; 0.950 IN. MIN 1.450 IN. MAX HIGH IN. 1 total characteristics are documented in the Federal Logistics Information System.

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