PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

431-18Relay,electromagnetic

Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/ · NSN 5945-01-179-3761 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-179-3761 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-179-3761. Primary manufacturer part number: 431-18.
Features
  • Relay,electromagnetic — FSC 5945
  • Coil Quantity: 1
  • Mounting Facility Type and Quantity: 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
  • Nonpile-Up Main Contact Arrangement: 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
  • Terminal Type and Quantity: 5 PIN ALL FUNCTIONS
  • Main Contact Load Current Rating at Maximum Rated Voltage: 200.0 MILLIAMPERES DC RESISTIVE LOAD
  • Main Contact Maximum Voltage Rating in Volts: 28.0 DC
  • Operating Voltage Rating and Type at Specified Temp: 33.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-179-3761, 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 Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-01-179-3761
Primary Part Number431-18
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerTeledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/
StatusACTIVE
Coil Quantity1
Mounting Facility Type and Quantity1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
Nonpile-Up Main Contact Arrangement1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Terminal Type and Quantity5 PIN ALL FUNCTIONS
Main Contact Load Current Rating at Maximum Rated Voltage200.0 MILLIAMPERES DC RESISTIVE LOAD
Main Contact Maximum Voltage Rating in Volts28.0 DC
Operating Voltage Rating and Type at Specified Temp33.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Winding Quantity1
Duty TypeCONTINUOUS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3110-00-277-063543118 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5330-00-285-94652F7426 INTERCHANGEABLE
Seal,plain Encased
Caterpillar Inc Div Caterpillar Defense
5120-00-288-968546034 INTERCHANGEABLE
Tweezers,craftsman's
Ripley Co Inc
3455-00-320-9897 INTERCHANGEABLE
Cutter,milling,end
6350-01-265-8677437616 INTERCHANGEABLE
Siren,fluid Operated
Tyco Fire Products Lp
6640-01-468-872243118 INTERCHANGEABLE
Column,analytical
Dionex Corporation
2910-01-605-0057431-18 INTERCHANGEABLE
Bearing Plate
Parker Hannifin Corp Dba Pneutronics
Cross-Reference Index
Part NumberManufacturer
431-18 PRIMARY Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/ (USA)
Related Parts
3110-00-277-0635INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
43118
5330-00-285-9465INTERCHANGEABLE
SEAL,PLAIN ENCASED
2F7426
5120-00-288-9685INTERCHANGEABLE
TWEEZERS,CRAFTSMAN'S
46034
3455-00-320-9897INTERCHANGEABLE
CUTTER,MILLING,END
6350-01-265-8677INTERCHANGEABLE
SIREN,FLUID OPERATED
437616
6640-01-468-8722INTERCHANGEABLE
COLUMN,ANALYTICAL
43118
2910-01-605-0057INTERCHANGEABLE
BEARING PLATE
431-18

Frequently Asked Questions

What is NSN 5945-01-179-3761?

NSN 5945-01-179-3761 is a Relay,electromagnetic, manufactured by Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-01-179-3761?

NSN 5945-01-179-3761 has 1 cross-referenced part number: 431-18 (Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/).

What NSN replaces 5945-01-179-3761?

There are 7 known substitutes for 5945-01-179-3761: 3110-00-277-0635, 5330-00-285-9465, 5120-00-288-9685 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 431-18?

Key specifications for 431-18: Coil Quantity: 1; Mounting Facility Type and Quantity: 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY; Nonpile-Up Main Contact Arrangement: 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY; Terminal Type and Quantity: 5 PIN ALL FUNCTIONS. 12 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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