PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

124052Relay,electromagnetic

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 5945-00-080-2917 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-080-2917 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-080-2917. Primary manufacturer part number: 124052.
Features
  • Relay,electromagnetic — FSC 5945
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
  • Terminal Type and Quantity: 4 PIN ALL FUNCTIONS
  • Nonpile-Up Main Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
  • Mounting Facility Type and Quantity: 2 THREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Operating Voltage Rating and Type at Specified Temp: 27.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
  • Coil Quantity: 1
  • Main Contact Load Current Rating at Maximum Rated Voltage: 20.0 AMPERES AC RESISTIVE LOAD
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-080-2917, 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 15 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5945-00-080-2917
Primary Part Number124052
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusCANCELLED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Terminal Type and Quantity4 PIN ALL FUNCTIONS
Nonpile-Up Main Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Mounting Facility Type and Quantity2 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Operating Voltage Rating and Type at Specified Temp27.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Coil Quantity1
Main Contact Load Current Rating at Maximum Rated Voltage20.0 AMPERES AC RESISTIVE LOAD
Thread Class2A SINGLE MOUNTING FACILITY A
Center to Center Distance Between Mounting Facilities Parallel to Length0.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Winding Quantity1
Nominal Thread Size0.112 INCHES SINGLE MOUNTING FACILITY IN
Winding DC Resistance Rating280.0 OHMS NOMINAL SINGLE WINDING
Main Contact Maximum Voltage Rating in Volts27.5 AC
Duty TypeCONTINUOUS
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5305-00-988-1725MS35206-281 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5910-01-123-0683124-052 INTERCHANGEABLE
Capacitor
General Instrument Corporation Dba Motorola Div Motorola Mobility - Home Division
3040-01-598-0385124052 INTERCHANGEABLE
Connecting Link,rigid
Lubriquip Inc Dba Lubriquip, Inc., a Unit of Idex
5340-01-606-50561240-52 INTERCHANGEABLE
Clamp,loop
Terex Usa, Llc Dba Terex Usa, Llc
Cross-Reference Index
Part NumberManufacturer
28546-0-1 Emerson Electric Co White-Rodgers Div (USA)
R45A Midland-Ross Corp Midtex Div
124052 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
5305-00-988-1725INTERCHANGEABLE
SCREW,MACHINE
MS35206-281
5910-01-123-0683INTERCHANGEABLE
CAPACITOR
124-052
3040-01-598-0385INTERCHANGEABLE
CONNECTING LINK,RIGID
124052
5340-01-606-5056INTERCHANGEABLE
CLAMP,LOOP
1240-52

Frequently Asked Questions

What is NSN 5945-00-080-2917?

NSN 5945-00-080-2917 is a Relay,electromagnetic, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-00-080-2917?

NSN 5945-00-080-2917 has 3 cross-referenced part numbers: 28546-0-1 (Emerson Electric Co White-Rodgers Div), R45A (Midland-Ross Corp Midtex Div), 124052 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

What NSN replaces 5945-00-080-2917?

There are 4 known substitutes for 5945-00-080-2917: 5305-00-988-1725, 5910-01-123-0683, 3040-01-598-0385 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 124052?

Key specifications for 124052: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY; Terminal Type and Quantity: 4 PIN ALL FUNCTIONS; Nonpile-Up Main Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION; Mounting Facility Type and Quantity: 2 THREADED HOLE(S) SINGLE MOUNTING FACILITY. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-00-080-2917 still in active supply?

NSN 5945-00-080-2917 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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