PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2050425Relay,electromagnetic

L3harris Technologies, Inc. · NSN 5945-00-257-7747 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-257-7747 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-257-7747. Primary manufacturer part number: 2050425.
Features
  • Relay,electromagnetic — FSC 5945
  • Winding Quantity: 1
  • Thread Class: 2A SINGLE MOUNTING FACILITY A
  • Duty Type: CONTINUOUS
  • Nominal Thread Size: 0.138 INCHES SINGLE MOUNTING FACILITY IN
  • Mounting Facility Pattern: TRIANGLE SINGLE MOUNTING FACILITY
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
  • Winding DC Resistance Rating: 2.8 KILOHMS NOMINAL SINGLE WINDING
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-257-7747, 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 L3harris Technologies, Inc.. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-257-7747
Primary Part Number2050425
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerL3harris Technologies, Inc.
StatusACTIVE
Winding Quantity1
Thread Class2A SINGLE MOUNTING FACILITY A
Duty TypeCONTINUOUS
Nominal Thread Size0.138 INCHES SINGLE MOUNTING FACILITY IN
Mounting Facility PatternTRIANGLE SINGLE MOUNTING FACILITY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Winding DC Resistance Rating2.8 KILOHMS NOMINAL SINGLE WINDING
Pile-Up Main Contact Form Arrangement4A1B
Main Contact Maximum Voltage Rating in Volts110.0 AC AND 26.5 DC
Main Contact Load Current Rating at Maximum Rated Voltage1.0 AMPERES AC AND 1.0 AMPERES DC RESISTIVE LOAD
Mounting Facility Type and Quantity3 THREADED STUD(S) SINGLE MOUNTING FACILITY
Center to Center Distance Between Mounting Facilities Parallel to Length0.938 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Environmental ProtectionHERMETIC
Nominal Operating Current Rating and Type30.0 MILLIAMPERES DC SINGLE WINDING
Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle1.187 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Coil Quantity1
Operating Voltage Rating and Type at Specified Temp26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-144-8529104184-18 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5945-00-259-54862050425 INTERCHANGEABLE
Relay,electromagnetic
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
Cross-Reference Index
Part NumberManufacturer
2050425 PRIMARY L3harris Technologies, Inc. (USA)
SKHX401 Allied Controls, Inc. (USA)
Related Parts
3110-00-144-8529INTERCHANGEABLE
BEARING,BALL,ANNULAR
104184-18
5945-00-259-5486INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
2050425

Frequently Asked Questions

What is NSN 5945-00-257-7747?

NSN 5945-00-257-7747 is a Relay,electromagnetic, manufactured by L3harris Technologies, Inc., classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-257-7747?

NSN 5945-00-257-7747 has 2 cross-referenced part numbers: 2050425 (L3harris Technologies, Inc.), SKHX401 (Allied Controls, Inc.).

What NSN replaces 5945-00-257-7747?

There are 2 known substitutes for 5945-00-257-7747: 3110-00-144-8529, 5945-00-259-5486. Verify interchangeability with system specifications before substitution.

What are the specifications of 2050425?

Key specifications for 2050425: Winding Quantity: 1; Thread Class: 2A SINGLE MOUNTING FACILITY A; Duty Type: CONTINUOUS; Nominal Thread Size: 0.138 INCHES SINGLE MOUNTING FACILITY IN. 20 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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