PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20440Coupler,optoelectronic

Ocean Technology Inc · NSN 5980-01-232-2980 · FSC 5980 · Light Emitting Diode
Verified by PartsTable
NSN 5980-01-232-2980 — this item is cataloged by the U.S. Government under National Stock Number 5980-01-232-2980. Primary manufacturer part number: 20440.
Features
  • Coupler,optoelectronic — FSC 5980
  • General Characteristics Item Description: OPTICALLY COUPLED ISOLATOR CONSISTING OF A GALLIUM ARSENIDE LED AND A SILICON PHOTOTRANSISTOR; MOUNTED IN A HERMETICALLY SEALED TO-5 PACKAGE; COLLECTOR-EMITTER VOLTAGE 35.0 V; CONTINUOUS COLLECTOR CURRENT 50.0 MA; CONTINUOUS TRANSISTOR POWER DISSIPATION 300.0 MW; 0.185 IN. MAX LG; 0.370 IN. MAX DIA; SIX WIRE LEAD TYPE TERMINALS 0.500 IN. MIN LG V
  • Storage Temp Range: -55.0 TO 125.0 CELSIUS DEGC
  • 2 verified cross-references
  • Primary manufacturer: Ocean Technology Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupler,optoelectronic, cataloged under National Stock Number 5980-01-232-2980, is classified within Federal Supply Class 5980 (Light Emitting Diode) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Ocean Technology Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5980-01-232-2980
Primary Part Number20440
Item NameCoupler,optoelectronic
FSC / FSG5980 / 59 — Light Emitting Diode
ManufacturerOcean Technology Inc
StatusACTIVE
General Characteristics Item DescriptionOPTICALLY COUPLED ISOLATOR CONSISTING OF A GALLIUM ARSENIDE LED AND A SILICON PHOTOTRANSISTOR; MOUNTED IN A HERMETICALLY SEALED TO-5 PACKAGE; COLLECTOR-EMITTER VOLTAGE 35.0 V; CONTINUOUS COLLECTOR CURRENT 50.0 MA; CONTINUOUS TRANSISTOR POWER DISSIPATION 300.0 MW; 0.185 IN. MAX LG; 0.370 IN. MAX DIA; SIX WIRE LEAD TYPE TERMINALS 0.500 IN. MIN LG V
Storage Temp Range-55.0 TO 125.0 CELSIUS DEGC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5945-00-247-8320359B126 INTERCHANGEABLE
Relay,electromagnetic
General Dynamics Mission Systems, Inc. Dba Gdms
6685-00-434-4231 INTERCHANGEABLE
Cover
5325-00-480-2297582R423H14 INTERCHANGEABLE
Stud,turnlock Fastener
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5306-00-828-7165 INTERCHANGEABLE
Bolt,ribbed Shoulder
5950-01-016-0231989108-64B INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon
5985-01-112-8661654VE4863-1 INTERCHANGEABLE
Adapter,waveguide
Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
3020-01-210-024320440 INTERCHANGEABLE
Gear,spur
Twg Canada Consolidated Inc
6515-01-238-8095204.040 INTERCHANGEABLE
Screw,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
5975-01-298-3731204-40 INTERCHANGEABLE
Conduit Assembly,flexible
Dcx-Chol Enterprises, Inc.
2530-01-412-783320440 INTERCHANGEABLE
Drain Valve,reservoir
Vortox Company
Cross-Reference Index
Part NumberManufacturer
20440 Ocean Technology Inc (USA)
OPI2626 Optek Technology, Inc (USA)
Related Parts
5945-00-247-8320INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
359B126
6685-00-434-4231INTERCHANGEABLE
COVER
5325-00-480-2297INTERCHANGEABLE
STUD,TURNLOCK FASTENER
582R423H14
5306-00-828-7165INTERCHANGEABLE
BOLT,RIBBED SHOULDER
5950-01-016-0231INTERCHANGEABLE
COIL,RADIO FREQUENCY
989108-64B
5985-01-112-8661INTERCHANGEABLE
ADAPTER,WAVEGUIDE
654VE4863-1
3020-01-210-0243INTERCHANGEABLE
GEAR,SPUR
20440
6515-01-238-8095INTERCHANGEABLE
SCREW,BONE
204.040
5975-01-298-3731INTERCHANGEABLE
CONDUIT ASSEMBLY,FLEXIBLE
204-40
2530-01-412-7833INTERCHANGEABLE
DRAIN VALVE,RESERVOIR
20440
5331-01-439-3471INTERCHANGEABLE
O-RING
20440

Frequently Asked Questions

What is NSN 5980-01-232-2980?

NSN 5980-01-232-2980 is a Coupler,optoelectronic, manufactured by Ocean Technology Inc, classified under FSC 5980 (Light Emitting Diode). Status: active.

What are the part numbers for NSN 5980-01-232-2980?

NSN 5980-01-232-2980 has 2 cross-referenced part numbers: 20440 (Ocean Technology Inc), OPI2626 (Optek Technology, Inc).

What NSN replaces 5980-01-232-2980?

There are 11 known substitutes for 5980-01-232-2980: 5945-00-247-8320, 6685-00-434-4231, 5325-00-480-2297 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20440?

Key specifications for 20440: General Characteristics Item Description: OPTICALLY COUPLED ISOLATOR CONSISTING OF A GALLIUM ARSENIDE LED AND A SILICON PHOTOTRANSISTOR; MOUNTED IN A HERMETICALLY SEALED TO-5 PACKAGE; COLLECTOR-EMITTER VOLTAGE 35.0 V; CONTINUOUS COLLECTOR CURRENT 50.0 MA; CONTINUOUS TRANSISTOR POWER DISSIPATION 300.0 MW; 0.185 IN. MAX LG; 0.370 IN. MAX DIA; SIX WIRE LEAD TYPE TERMINALS 0.500 IN. MIN LG V; Storage Temp Range: -55.0 TO 125.0 CELSIUS DEGC. 2 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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