PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FBN-L240Coupler,optoelectronic

Veeco Instruments Inc Lambda Div · NSN 5980-01-023-1623 · FSC 5980 · Light Emitting Diode
Verified by PartsTable
NSN 5980-01-023-1623 — this item is cataloged by the U.S. Government under National Stock Number 5980-01-023-1623. Primary manufacturer part number: FBN-L240.
Features
  • Coupler,optoelectronic — FSC 5980
  • General Characteristics Item Description: OPTICAL COUPLER,M 55.0 TO P 100.0 DEG C OPERATING TEMP RANGE,0.350 IN. MAX LG,0.065 IN. W,0.050 IN. H,SIX TERMINALS IN
  • Storage Temp Range: -55.0 TO 150.0 CELSIUS DEGC
  • 8 verified cross-references
  • Primary manufacturer: Veeco Instruments Inc Lambda Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupler,optoelectronic, cataloged under National Stock Number 5980-01-023-1623, is classified within Federal Supply Class 5980 (Light Emitting Diode) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Veeco Instruments Inc Lambda Div. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5980-01-023-1623
Primary Part NumberFBN-L240
Item NameCoupler,optoelectronic
FSC / FSG5980 / 59 — Light Emitting Diode
ManufacturerVeeco Instruments Inc Lambda Div
StatusCANCELLED
General Characteristics Item DescriptionOPTICAL COUPLER,M 55.0 TO P 100.0 DEG C OPERATING TEMP RANGE,0.350 IN. MAX LG,0.065 IN. W,0.050 IN. H,SIX TERMINALS IN
Storage Temp Range-55.0 TO 150.0 CELSIUS DEGC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5980-00-584-2267 INTERCHANGEABLE
Coupler,optoelectronic
5980-01-026-2437 INTERCHANGEABLE
Coupler,optoelectronic
5980-01-029-6667 INTERCHANGEABLE
Coupler,optoelectronic
5980-01-267-48534N27 INTERCHANGEABLE
Coupler,optoelectronic
Texas Instruments Incorporated
5980-01-630-62424N27M INTERCHANGEABLE
Coupler,optoelectronic
Fairchild Semiconductor Corporation
Cross-Reference Index
Part NumberManufacturer
FBN-L240 Veeco Instruments Inc Lambda Div (USA)
RELEASE6446 Electronic Industries Association
45.240.008 Distrelec Deutschland Gmbh (DEU)
4N27 Freescale Semiconductor, Inc. (USA)
4N27 Electronic Industries Association
4N27 Vishay Semiconductor Gmbh Vishay Intertechnology (DEU)
4N27 Isocom Inc (USA)
FBN-L-165 Veeco Instruments Inc Lambda Div (USA)
Related Parts
5980-00-584-2267INTERCHANGEABLE
COUPLER,OPTOELECTRONIC
5980-01-026-2437INTERCHANGEABLE
COUPLER,OPTOELECTRONIC
5980-01-029-6667INTERCHANGEABLE
COUPLER,OPTOELECTRONIC
5980-01-267-4853INTERCHANGEABLE
COUPLER,OPTOELECTRONIC
4N27
5980-01-630-6242INTERCHANGEABLE
COUPLER,OPTOELECTRONIC
4N27M

Frequently Asked Questions

What is NSN 5980-01-023-1623?

NSN 5980-01-023-1623 is a Coupler,optoelectronic, manufactured by Veeco Instruments Inc Lambda Div, classified under FSC 5980 (Light Emitting Diode). Status: cancelled.

What are the part numbers for NSN 5980-01-023-1623?

NSN 5980-01-023-1623 has 8 cross-referenced part numbers: FBN-L240 (Veeco Instruments Inc Lambda Div), RELEASE6446 (Electronic Industries Association), 45.240.008 (Distrelec Deutschland Gmbh), 4N27 (Freescale Semiconductor, Inc.), 4N27 (Electronic Industries Association) and 3 more.

What NSN replaces 5980-01-023-1623?

There are 5 known substitutes for 5980-01-023-1623: 5980-00-584-2267, 5980-01-026-2437, 5980-01-029-6667 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FBN-L240?

Key specifications for FBN-L240: General Characteristics Item Description: OPTICAL COUPLER,M 55.0 TO P 100.0 DEG C OPERATING TEMP RANGE,0.350 IN. MAX LG,0.065 IN. W,0.050 IN. H,SIX TERMINALS IN; Storage Temp Range: -55.0 TO 150.0 CELSIUS DEGC. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5980-01-023-1623 still in active supply?

NSN 5980-01-023-1623 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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