PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

172249-002Relay,electromagnetic

Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems · NSN 5945-00-603-6962 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-603-6962 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-603-6962. Primary manufacturer part number: 172249-002.
Features
  • Relay,electromagnetic — FSC 5945
  • Nonpile-Up Main Contact Arrangement: 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
  • Overall Diameter: 0.370 INCHES MAXIMUM IN
  • Winding DC Resistance Rating: 1.025 KILOHMS NOMINAL SINGLE WINDING
  • Main Contact Maximum Voltage Rating in Volts: 28.0 DC
  • Nominal Operating Current Rating and Type: 0.39 MILLIAMPERES DC SINGLE WINDING
  • Features Provided: POLARIZED
  • Terminal Type and Quantity: 5 PIN ALL FUNCTIONS
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-603-6962, 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 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-603-6962
Primary Part Number172249-002
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerBae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
StatusACTIVE
Nonpile-Up Main Contact Arrangement1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Overall Diameter0.370 INCHES MAXIMUM IN
Winding DC Resistance Rating1.025 KILOHMS NOMINAL SINGLE WINDING
Main Contact Maximum Voltage Rating in Volts28.0 DC
Nominal Operating Current Rating and Type0.39 MILLIAMPERES DC SINGLE WINDING
Features ProvidedPOLARIZED
Terminal Type and Quantity5 PIN ALL FUNCTIONS
Main Contact Load Current Rating at Maximum Rated Voltage1.0 AMPERES DC RESISTIVE LOAD
Operating Voltage Rating and Type at Specified Temp12.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Time Delay0.01 SECONDS MAXIMUM FIXED OPERATE AND RELEASE TIME
Duty TypeCONTINUOUS
Environmental ProtectionHERMETIC
Coil Quantity1
Mounting Facility Type and Quantity1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
Winding Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5920-00-175-5967 INTERCHANGEABLE
Fuse,cartridge
Cross-Reference Index
Part NumberManufacturer
ER431T-12A Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/ (USA)
172249-002 PRIMARY Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
J431T-12WL Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/ (USA)
431T-12 Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/ (USA)
Related Parts
5920-00-175-5967INTERCHANGEABLE
FUSE,CARTRIDGE

Frequently Asked Questions

What is NSN 5945-00-603-6962?

NSN 5945-00-603-6962 is a Relay,electromagnetic, manufactured by Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-603-6962?

NSN 5945-00-603-6962 has 4 cross-referenced part numbers: ER431T-12A (Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/), 172249-002 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems), J431T-12WL (Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/), 431T-12 (Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/).

What NSN replaces 5945-00-603-6962?

There is 1 known substitute for 5945-00-603-6962: 5920-00-175-5967. Verify interchangeability with system specifications before substitution.

What are the specifications of 172249-002?

Key specifications for 172249-002: Nonpile-Up Main Contact Arrangement: 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY; Overall Diameter: 0.370 INCHES MAXIMUM IN; Winding DC Resistance Rating: 1.025 KILOHMS NOMINAL SINGLE WINDING; Main Contact Maximum Voltage Rating in Volts: 28.0 DC. 16 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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