PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2050425Relay,electromagnetic

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 5945-00-259-5486 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-259-5486 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-259-5486. Primary manufacturer part number: 2050425.
Features
  • Relay,electromagnetic — FSC 5945
  • Environmental Protection: HERMETIC
  • Nominal Thread Size: 0.138 INCHES SINGLE MOUNTING FACILITY IN
  • Winding DC Resistance Rating: 2.75 KILOHMS NOMINAL SINGLE WINDING
  • Pile-Up Main Contact Form Arrangement: 4A1B
  • Thread Quantity Per Inch: 32 SINGLE MOUNTING FACILITY
  • Duty Type: CONTINUOUS
  • Main Contact Load Current Rating at Maximum Rated Voltage: 2.0 AMPERES DC RESISTIVE LOAD
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-259-5486, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5945-00-259-5486
Primary Part Number2050425
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusACTIVE
Environmental ProtectionHERMETIC
Nominal Thread Size0.138 INCHES SINGLE MOUNTING FACILITY IN
Winding DC Resistance Rating2.75 KILOHMS NOMINAL SINGLE WINDING
Pile-Up Main Contact Form Arrangement4A1B
Thread Quantity Per Inch32 SINGLE MOUNTING FACILITY
Duty TypeCONTINUOUS
Main Contact Load Current Rating at Maximum Rated Voltage2.0 AMPERES DC RESISTIVE LOAD
Nominal Operating Current Rating and Type9.0 MILLIAMPERES DC SINGLE WINDING
Thread Class2A SINGLE MOUNTING FACILITY A
Mounting Facility PatternTRIANGLE SINGLE MOUNTING FACILITY
Winding Quantity1
Operating Voltage Rating and Type at Specified Temp26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Terminal Type and Quantity12 PIN ALL FUNCTIONS
Main Contact Maximum Voltage Rating in Volts26.5 DC
Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle1.187 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Arc Quenching MethodINERT GAS
Mounting Facility Type and Quantity3 THREADED STUD(S) SINGLE MOUNTING FACILITY
Coil Quantity1
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
5945-00-257-77472050425 INTERCHANGEABLE
Relay,electromagnetic
L3harris Technologies, Inc.
Cross-Reference Index
Part NumberManufacturer
20504255 L3harris Technologies, Inc. (USA)
2050425 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
SKHX738 Allied Controls, Inc. (USA)
Related Parts
3110-00-144-8529INTERCHANGEABLE
BEARING,BALL,ANNULAR
104184-18
5945-00-257-7747INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
2050425

Frequently Asked Questions

What is NSN 5945-00-259-5486?

NSN 5945-00-259-5486 is a Relay,electromagnetic, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-259-5486?

NSN 5945-00-259-5486 has 3 cross-referenced part numbers: 20504255 (L3harris Technologies, Inc.), 2050425 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), SKHX738 (Allied Controls, Inc.).

What NSN replaces 5945-00-259-5486?

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

What are the specifications of 2050425?

Key specifications for 2050425: Environmental Protection: HERMETIC; Nominal Thread Size: 0.138 INCHES SINGLE MOUNTING FACILITY IN; Winding DC Resistance Rating: 2.75 KILOHMS NOMINAL SINGLE WINDING; Pile-Up Main Contact Form Arrangement: 4A1B. 22 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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