PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

202025Relay,electromagnetic

Western Union Telegraph Co Sub of Western Union Corp · NSN 5945-00-222-5880 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-222-5880 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-222-5880. Primary manufacturer part number: 202025.
Features
  • Relay,electromagnetic — FSC 5945
  • Thread Quantity Per Inch: 32 SINGLE MOUNTING FACILITY
  • Thread Class: 2B SINGLE MOUNTING FACILITY
  • Pile-Up Main Contact Form Arrangement: 1A A
  • Operating Voltage Rating and Type at Specified Temp: 46.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
  • Duty Type: CONTINUOUS
  • Winding Quantity: 1
  • Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-222-5880, 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 Western Union Telegraph Co Sub of Western Union Corp. Government technical data includes 16 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-222-5880
Primary Part Number202025
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerWestern Union Telegraph Co Sub of Western Union Corp
StatusACTIVE
Thread Quantity Per Inch32 SINGLE MOUNTING FACILITY
Thread Class2B SINGLE MOUNTING FACILITY
Pile-Up Main Contact Form Arrangement1A A
Operating Voltage Rating and Type at Specified Temp46.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Duty TypeCONTINUOUS
Winding Quantity1
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Terminal Type and Quantity4 PIN ALL FUNCTIONS
Winding DC Resistance Rating2.25 KILOHMS NOMINAL SINGLE WINDING
Center to Center Distance Between Mounting Facilities Parallel to Length0.750 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Main Contact Load Current Rating at Maximum Rated Voltage3.0 AMPERES AC RESISTIVE LOAD
Main Contact Maximum Voltage Rating in Volts50.0 AC
Mounting Facility Type and Quantity2 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Nominal Thread Size0.750 INCHES SINGLE MOUNTING FACILITY IN
Coil Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4810-01-236-4474202025 INTERCHANGEABLE
Parts Kit,solenoid Valve
Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division
8415-01-279-565611215 INTERCHANGEABLE
Gloves,men's and Women's
Clemco Industries Corp. Dba Clemco Industries Corp Div Clemco
6610-01-660-17121493100-2200 INTERCHANGEABLE
Memory Unit,flight Data Recorder
Acron Aviation, Inc.
Cross-Reference Index
Part NumberManufacturer
202025 PRIMARY Western Union Telegraph Co Sub of Western Union Corp (USA)
Related Parts
4810-01-236-4474INTERCHANGEABLE
PARTS KIT,SOLENOID VALVE
202025
8415-01-279-5656INTERCHANGEABLE
GLOVES,MEN'S AND WOMEN'S
11215
6610-01-660-1712INTERCHANGEABLE
MEMORY UNIT,FLIGHT DATA RECORDER
1493100-2200

Frequently Asked Questions

What is NSN 5945-00-222-5880?

NSN 5945-00-222-5880 is a Relay,electromagnetic, manufactured by Western Union Telegraph Co Sub of Western Union Corp, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-222-5880?

NSN 5945-00-222-5880 has 1 cross-referenced part number: 202025 (Western Union Telegraph Co Sub of Western Union Corp).

What NSN replaces 5945-00-222-5880?

There are 3 known substitutes for 5945-00-222-5880: 4810-01-236-4474, 8415-01-279-5656, 6610-01-660-1712. Verify interchangeability with system specifications before substitution.

What are the specifications of 202025?

Key specifications for 202025: Thread Quantity Per Inch: 32 SINGLE MOUNTING FACILITY; Thread Class: 2B SINGLE MOUNTING FACILITY; Pile-Up Main Contact Form Arrangement: 1A A; Operating Voltage Rating and Type at Specified Temp: 46.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING. 19 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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