PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

172-12Relay,electromagnetic

Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/ · NSN 5945-01-260-7227 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-260-7227 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-260-7227. Primary manufacturer part number: 172-12.
Features
  • Relay,electromagnetic — FSC 5945
  • Coil Quantity: 1
  • Terminal Type and Quantity: 10 PIN ALL FUNCTIONS
  • Main Contact Maximum Voltage Rating in Volts: 115.0 AC
  • Winding DC Resistance Rating: 390.0 OHMS NOMINAL SINGLE WINDING
  • Main Contact Load Current Rating at Maximum Rated Voltage: 600.0 MILLIAMPERES AC RESISTIVE LOAD
  • Nonpile-Up Main Contact Arrangement: 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY, TWO POSITIONS MAINTAINED
  • Overall Diameter: 0.370 INCHES MAXIMUM IN
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-260-7227, 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 8 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-01-260-7227
Primary Part Number172-12
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
Terminal Type and Quantity10 PIN ALL FUNCTIONS
Main Contact Maximum Voltage Rating in Volts115.0 AC
Winding DC Resistance Rating390.0 OHMS NOMINAL SINGLE WINDING
Main Contact Load Current Rating at Maximum Rated Voltage600.0 MILLIAMPERES AC RESISTIVE LOAD
Nonpile-Up Main Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY, TWO POSITIONS MAINTAINED
Overall Diameter0.370 INCHES MAXIMUM IN
Operating Voltage Rating and Type at Specified Temp12.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5930-00-056-7626172-1-2 INTERCHANGEABLE
Switch,push
Korry Electronics Co
5315-00-166-6431172-12 INTERCHANGEABLE
Pin,straight,headed
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
5342-00-298-9481 INTERCHANGEABLE
Mount,resilient,weapon System
5340-00-313-68771721-2 INTERCHANGEABLE
Lock,special
Adams Rite Aerospace, Inc
5950-01-024-1937905510-1 INTERCHANGEABLE
Transformer,power
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5841-01-099-876317212 INTERCHANGEABLE
Circuit,hybrid Prea
Astronautics Corporation of America
2540-01-116-35751-7-21-2 INTERCHANGEABLE
Heater,vehicular,compartment
Celtech Corporation Div Use CAGE 65552 for All Orders
5355-01-242-185717212 INTERCHANGEABLE
Knob
G.s. Blodgett, Llc Div Blodgett
5310-01-400-2173SKB-714 ITEM X180 INTERCHANGEABLE
Washer,flat
Coffin Turbo Pump Inc
5360-01-414-967717212 INTERCHANGEABLE
Spring,helical,extension
Lockheed Martin Corp
Cross-Reference Index
Part NumberManufacturer
172-12 PRIMARY Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/ (USA)
Related Parts
5930-00-056-7626INTERCHANGEABLE
SWITCH,PUSH
172-1-2
5315-00-166-6431INTERCHANGEABLE
PIN,STRAIGHT,HEADED
172-12
5342-00-298-9481INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
5340-00-313-6877INTERCHANGEABLE
LOCK,SPECIAL
1721-2
5950-01-024-1937INTERCHANGEABLE
TRANSFORMER,POWER
905510-1
5841-01-099-8763INTERCHANGEABLE
CIRCUIT,HYBRID PREA
17212
2540-01-116-3575INTERCHANGEABLE
HEATER,VEHICULAR,COMPARTMENT
1-7-21-2
5355-01-242-1857INTERCHANGEABLE
KNOB
17212
5310-01-400-2173INTERCHANGEABLE
WASHER,FLAT
SKB-714 ITEM X180
5360-01-414-9677INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
17212
4730-01-538-1058INTERCHANGEABLE
CLAMP,HOSE
17212
5340-01-571-5197INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR

Frequently Asked Questions

What is NSN 5945-01-260-7227?

NSN 5945-01-260-7227 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 5945-01-260-7227?

NSN 5945-01-260-7227 has 1 cross-referenced part number: 172-12 (Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/).

What NSN replaces 5945-01-260-7227?

There are 12 known substitutes for 5945-01-260-7227: 5930-00-056-7626, 5315-00-166-6431, 5342-00-298-9481 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 172-12?

Key specifications for 172-12: Coil Quantity: 1; Terminal Type and Quantity: 10 PIN ALL FUNCTIONS; Main Contact Maximum Voltage Rating in Volts: 115.0 AC; Winding DC Resistance Rating: 390.0 OHMS NOMINAL SINGLE WINDING. 9 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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