PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

IAC5Relay,electromagnetic

Opto 22 · NSN 5945-01-148-0339 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-148-0339 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-148-0339. Primary manufacturer part number: IAC5.
Features
  • Relay,electromagnetic — FSC 5945
  • 5 verified cross-references
  • Primary manufacturer: Opto 22
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-148-0339, is classified within Federal Supply Class 5945 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Opto 22. This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRelay,electromagnetic
FSC / FSG5945 — No Item Name Available (FSG 59)
ManufacturersNaval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (CAGE 30003); Opto 22 (CAGE 55442); Te Connectivity Corporation (CAGE 77342); Avtron Aerospace Inc (CAGE 01014)
Technical Specifications
ParameterValue
NSN5945-01-148-0339
Primary Part NumberIAC5
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerOpto 22
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4010-00-221-2709 INTERCHANGEABLE
Strand,wire
5950-00-228-467715-550 INTERCHANGEABLE
Coil,radio Frequency
Entron Industries Limited Partnership Dba Entron Industries Property Div
5120-00-764-226984389 01174 INTERCHANGEABLE
Jointer,brick
The Stanley Works Dba Stanley Proto
3030-01-037-726015550 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
5330-01-040-211915550 INTERCHANGEABLE
Gasket
Setra Systems, Inc. Dba Gems Sensors
5995-01-062-141244-15550 INTERCHANGEABLE
Wiring Harness
Wheeler Fleet Solutions, Co.
5945-01-130-0124S117398 INTERCHANGEABLE
Flasher,thermal
Cnh Industrial America Llc Dba Cnh America
5945-01-255-631486407 INTERCHANGEABLE
Relay,solid State
Getinge Usa Inc
5977-01-285-848235-138-6 INTERCHANGEABLE
Brush Block
Honeywell International Inc. Dba Honeywell International
5996-01-569-604915150 INTERCHANGEABLE
Amplifier,radio Frequency
Elbitamerica, Inc.
Cross-Reference Index
Part NumberManufacturer
1735AS840-1 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
15550 Opto 22 (USA)
IAC5 Te Connectivity Corporation (USA)
IAC5 PRIMARY Opto 22 (USA)
351386 Avtron Aerospace Inc (USA)
Related Parts
4010-00-221-2709INTERCHANGEABLE
STRAND,WIRE
5950-00-228-4677INTERCHANGEABLE
COIL,RADIO FREQUENCY
15-550
5120-00-764-2269INTERCHANGEABLE
JOINTER,BRICK
84389 01174
3030-01-037-7260INTERCHANGEABLE
BELT,V
15550
5330-01-040-2119INTERCHANGEABLE
GASKET
15550
5995-01-062-1412INTERCHANGEABLE
WIRING HARNESS
44-15550
5945-01-130-0124INTERCHANGEABLE
FLASHER,THERMAL
S117398
5945-01-255-6314INTERCHANGEABLE
RELAY,SOLID STATE
86407
5977-01-285-8482INTERCHANGEABLE
BRUSH BLOCK
35-138-6
5996-01-569-6049INTERCHANGEABLE
AMPLIFIER,RADIO FREQUENCY
15150

Frequently Asked Questions

What is NSN 5945-01-148-0339?

NSN 5945-01-148-0339 is a Relay,electromagnetic, manufactured by Opto 22, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-01-148-0339?

NSN 5945-01-148-0339 has 5 cross-referenced part numbers: 1735AS840-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 15550 (Opto 22), IAC5 (Te Connectivity Corporation), IAC5 (Opto 22), 351386 (Avtron Aerospace Inc).

What NSN replaces 5945-01-148-0339?

There are 10 known substitutes for 5945-01-148-0339: 4010-00-221-2709, 5950-00-228-4677, 5120-00-764-2269 and 7 more. Verify interchangeability with system specifications before substitution.

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