PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20397Relay,electromagnetic

Raytheon Company Dba Raytheon · NSN 5945-00-230-2053 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-230-2053 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-230-2053. Primary manufacturer part number: 20397.
Features
  • Relay,electromagnetic — FSC 5945
  • Mounting Facility Type and Quantity: 4 THREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Pile-Up Main Contact Form Arrangement: 4C
  • Operating Voltage Rating and Type at Specified Temp: 24.0 VOLTS DC 25 DEG CELSIUS ALL WINDINGS
  • Nominal Thread Size: 0.112 INCHES SINGLE MOUNTING FACILITY IN
  • Mounting Facility Pattern: RECTANGULAR SINGLE MOUNTING FACILITY
  • Winding DC Resistance Rating: 270.0 OHMS MINIMUM AND 330.0 OHMS MAXIMUM SINGLE WINDING
  • Thread Class: 2B SINGLE MOUNTING FACILITY
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-230-2053, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-230-2053
Primary Part Number20397
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon
StatusACTIVE
Mounting Facility Type and Quantity4 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Pile-Up Main Contact Form Arrangement4C
Operating Voltage Rating and Type at Specified Temp24.0 VOLTS DC 25 DEG CELSIUS ALL WINDINGS
Nominal Thread Size0.112 INCHES SINGLE MOUNTING FACILITY IN
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Winding DC Resistance Rating270.0 OHMS MINIMUM AND 330.0 OHMS MAXIMUM SINGLE WINDING
Thread Class2B SINGLE MOUNTING FACILITY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Center to Center Distance Between Mounting Facilities Parallel to Length0.438 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Coil Quantity1
Duty TypeCONTINUOUS
Terminal Type and Quantity14 PIN ALL FUNCTIONS
Winding Quantity1
Center to Center Distance Between Mounting Facilities Parallel to Width0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Nominal Operating Current Rating and Type90.0 MILLIAMPERES DC SINGLE WINDING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5360-00-083-4098 INTERCHANGEABLE
Spring,helical,compression
5950-00-323-16807409926P1 INTERCHANGEABLE
Transformer,power
Lockheed Martin Corporation Div Rms
5315-00-550-88269020397 INTERCHANGEABLE
Key,machine
General Motors Corp
5940-00-655-3909 INTERCHANGEABLE
Terminal Board
4720-01-128-435420397 INTERCHANGEABLE
Hose,preformed
Gates Corporation
5360-01-553-751620397 INTERCHANGEABLE
Spring,helical,compression
Charles Reed Knight Jr Dba Knight's Armament Company
5930-01-734-922020397 INTERCHANGEABLE
Switch,liquid Level
Gas Turbine Efficiency Llc Dba Gas Turbine Efficiency Llc Div Gas Turbine Efficiency
Cross-Reference Index
Part NumberManufacturer
RDN2-4PDT General Electronic Devices (USA)
20397 PRIMARY Raytheon Company Dba Raytheon (USA)
A21326 Te Connectivity Corporation (USA)
A21326 Cp Clare Corp North American Sales Operations (USA)
A63465 Te Connectivity Corporation (USA)
A62379 PRIMARY Te Connectivity Corporation (USA)
A63465 Cp Clare Corp North American Sales Operations (USA)
359B124 Motorola Inc. Dba Integrated Information Systems Group (USA)
359B124 General Dynamics Mission Systems, Inc. Dba Gdms (USA)
RDN2-4P General Electronic Devices (USA)
A63465 PRIMARY Te Connectivity Corporation (USA)
A62379 Cp Clare Corp North American Sales Operations (USA)
A21326 Te Connectivity Corporation (USA)
A62379 Te Connectivity Corporation (USA)
RDN3-4PDT General Electronic Devices (USA)
Related Parts
5360-00-083-4098INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5950-00-323-1680INTERCHANGEABLE
TRANSFORMER,POWER
7409926P1
5315-00-550-8826INTERCHANGEABLE
KEY,MACHINE
9020397
5940-00-655-3909INTERCHANGEABLE
TERMINAL BOARD
4720-01-128-4354INTERCHANGEABLE
HOSE,PREFORMED
20397
5360-01-553-7516INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
20397
5930-01-734-9220INTERCHANGEABLE
SWITCH,LIQUID LEVEL
20397

Frequently Asked Questions

What is NSN 5945-00-230-2053?

NSN 5945-00-230-2053 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 5945-00-230-2053?

NSN 5945-00-230-2053 has 15 cross-referenced part numbers: RDN2-4PDT (General Electronic Devices), 20397 (Raytheon Company Dba Raytheon), A21326 (Te Connectivity Corporation), A21326 (Cp Clare Corp North American Sales Operations), A63465 (Te Connectivity Corporation) and 10 more.

What NSN replaces 5945-00-230-2053?

There are 7 known substitutes for 5945-00-230-2053: 5360-00-083-4098, 5950-00-323-1680, 5315-00-550-8826 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20397?

Key specifications for 20397: Mounting Facility Type and Quantity: 4 THREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Width: 1.000 INCHES NOMINAL IN; Pile-Up Main Contact Form Arrangement: 4C; Operating Voltage Rating and Type at Specified Temp: 24.0 VOLTS DC 25 DEG CELSIUS ALL WINDINGS. 18 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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