PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31640Relay,electromagnetic

Raytheon Company Dba Raytheon · NSN 5945-00-522-6870 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-522-6870 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-522-6870. Primary manufacturer part number: 31640.
Features
  • Relay,electromagnetic — FSC 5945
  • Thread Direction: RIGHT-HAND SINGLE MOUNTING FACILITY
  • Main Contact Maximum Voltage Rating in Volts: 120.0 AC
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
  • Nonpile-Up Main Contact Arrangement: 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
  • Arc Quenching Method: AIR
  • Thread Class: 2A SINGLE MOUNTING FACILITY A
  • Time Delay: 0.01 SECONDS MAXIMUM FIXED RELEASE TIME
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-522-6870, 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 Raytheon Company Dba Raytheon. Government technical data includes 24 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
NSN5945-00-522-6870
Primary Part Number31640
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon
StatusACTIVE
Thread DirectionRIGHT-HAND SINGLE MOUNTING FACILITY
Main Contact Maximum Voltage Rating in Volts120.0 AC
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Nonpile-Up Main Contact Arrangement1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Arc Quenching MethodAIR
Thread Class2A SINGLE MOUNTING FACILITY A
Time Delay0.01 SECONDS MAXIMUM FIXED RELEASE TIME
Environmental ProtectionDUSTPROOF
Mounting Facility Type and Quantity3 THREADED STUD(S) SINGLE MOUNTING FACILITY
Main Contact Load Current Rating at Maximum Rated Voltage2.0 AMPERES AC RESISTIVE LOAD
Duty TypeCONTINUOUS
Winding Quantity1
Winding DC Resistance Rating1.3 OHMS NOMINAL SINGLE WINDING
Fragility FactorMODERATELY RUGGED
Purpose for Which DesignedGENERAL
Nominal Thread Size0.138 INCHES SINGLE MOUNTING FACILITY IN
Time Delay0.015 SECONDS MAXIMUM FIXED OPERATE TIME
Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Storage TypeGENERAL PURPOSE WAREHOUSE
Center to Center Distance Between Mounting Facilities Parallel to Width0.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Terminal Type and Quantity5 WIRE HOOK ALL FUNCTIONS
Thread Quantity Per Inch32 SINGLE MOUNTING FACILITY
Coil Quantity1
Mounting Facility PatternTRIANGLE SINGLE MOUNTING FACILITY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5110-00-239-7590 INTERCHANGEABLE
File,hand
5940-00-942-7103724-506-9003 INTERCHANGEABLE
Terminal,lug
Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
Cross-Reference Index
Part NumberManufacturer
MH-5932 Te Connectivity Corporation (USA)
31640 PRIMARY Raytheon Company Dba Raytheon (USA)
Related Parts
5110-00-239-7590INTERCHANGEABLE
FILE,HAND
5940-00-942-7103INTERCHANGEABLE
TERMINAL,LUG
724-506-9003

Frequently Asked Questions

What is NSN 5945-00-522-6870?

NSN 5945-00-522-6870 is a Relay,electromagnetic, manufactured by Raytheon Company Dba Raytheon, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-522-6870?

NSN 5945-00-522-6870 has 2 cross-referenced part numbers: MH-5932 (Te Connectivity Corporation), 31640 (Raytheon Company Dba Raytheon).

What NSN replaces 5945-00-522-6870?

There are 2 known substitutes for 5945-00-522-6870: 5110-00-239-7590, 5940-00-942-7103. Verify interchangeability with system specifications before substitution.

What are the specifications of 31640?

Key specifications for 31640: Thread Direction: RIGHT-HAND SINGLE MOUNTING FACILITY; Main Contact Maximum Voltage Rating in Volts: 120.0 AC; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY; Nonpile-Up Main Contact Arrangement: 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY. 27 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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