PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

422-26Relay,electromagnetic

Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/ · NSN 5945-00-243-1047 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-243-1047 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-243-1047. Primary manufacturer part number: 422-26.
Features
  • Relay,electromagnetic — FSC 5945
  • Duty Type: CONTINUOUS
  • Nonpile-Up Main Contact Arrangement: 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
  • Mounting Facility Type and Quantity: 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
  • Main Contact Load Current Rating at Maximum Rated Voltage: 500.0 MILLIAMPERES DC RESISTIVE LOAD
  • Winding DC Resistance Rating: 2.0 KILOHMS NOMINAL ALL WINDINGS
  • Main Contact Maximum Voltage Rating in Volts: 28.0 DC
  • Features Provided: LATCHING CONTACTS
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-243-1047, 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 13 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-243-1047
Primary Part Number422-26
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
Duty TypeCONTINUOUS
Nonpile-Up Main Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Mounting Facility Type and Quantity1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
Main Contact Load Current Rating at Maximum Rated Voltage500.0 MILLIAMPERES DC RESISTIVE LOAD
Winding DC Resistance Rating2.0 KILOHMS NOMINAL ALL WINDINGS
Main Contact Maximum Voltage Rating in Volts28.0 DC
Features ProvidedLATCHING CONTACTS
Terminal Type and Quantity10 PIN ALL FUNCTIONS
Winding Quantity2
Coil Quantity2
Environmental ProtectionHERMETIC
Operating Voltage Rating and Type at Specified Temp26.5 VOLTS DC 25 DEG CELSIUS ALL WINDINGS
Overall Diameter0.370 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5940-00-233-9302 INTERCHANGEABLE
Terminal,lug
2940-00-423-092442226 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
5950-00-880-8334307861-1 INTERCHANGEABLE
Transformer,power
Raytheon Company
5950-01-247-17333284-01 INTERCHANGEABLE
Reactor
Corona Magnetics, Inc. Dba C M I
5340-01-526-434542226 INTERCHANGEABLE
Handwheel Assy
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
422-26 PRIMARY Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/ (USA)
Related Parts
5940-00-233-9302INTERCHANGEABLE
TERMINAL,LUG
2940-00-423-0924INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42226
5950-00-880-8334INTERCHANGEABLE
TRANSFORMER,POWER
307861-1
5950-01-247-1733INTERCHANGEABLE
REACTOR
3284-01
5340-01-526-4345INTERCHANGEABLE
HANDWHEEL ASSY
42226

Frequently Asked Questions

What is NSN 5945-00-243-1047?

NSN 5945-00-243-1047 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 5945-00-243-1047?

NSN 5945-00-243-1047 has 1 cross-referenced part number: 422-26 (Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/).

What NSN replaces 5945-00-243-1047?

There are 5 known substitutes for 5945-00-243-1047: 5940-00-233-9302, 2940-00-423-0924, 5950-00-880-8334 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 422-26?

Key specifications for 422-26: Duty Type: CONTINUOUS; Nonpile-Up Main Contact Arrangement: 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY; Mounting Facility Type and Quantity: 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY; Main Contact Load Current Rating at Maximum Rated Voltage: 500.0 MILLIAMPERES DC RESISTIVE LOAD. 14 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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