PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55A5513ITEM9Relay,electromagnetic

Westinghouse Electric Corp · NSN 5945-00-259-6971 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-259-6971 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-259-6971. Primary manufacturer part number: 55A5513ITEM9.
Features
  • Relay,electromagnetic — FSC 5945
  • Nonpile-Up Main Contact Arrangement: 5 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
  • Frequency in Hertz: 60.0 NOMINAL
  • Operating Voltage Rating and Type at Specified Temp: 115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
  • Thread Quantity Per Inch: 32 SINGLE MOUNTING FACILITY
  • Thread Class: 2B SINGLE MOUNTING FACILITY
  • Nominal Operating Current Rating and Type: 31.3 MILLIAMPERES AC SINGLE WINDING
  • Coil Quantity: 1
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-259-6971, 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 Westinghouse Electric Corp. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-259-6971
Primary Part Number55A5513ITEM9
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerWestinghouse Electric Corp
StatusACTIVE
Nonpile-Up Main Contact Arrangement5 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Frequency in Hertz60.0 NOMINAL
Operating Voltage Rating and Type at Specified Temp115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Thread Quantity Per Inch32 SINGLE MOUNTING FACILITY
Thread Class2B SINGLE MOUNTING FACILITY
Nominal Operating Current Rating and Type31.3 MILLIAMPERES AC SINGLE WINDING
Coil Quantity1
Nominal Thread Size0.138 INCHES SINGLE MOUNTING FACILITY IN
Duty TypeCONTINUOUS
Mounting Facility Type and Quantity2 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Center to Center Distance Between Mounting Facilities Parallel to Length1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Main Contact Maximum Voltage Rating in Volts115.0 AC
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Main Contact Load Current Rating at Maximum Rated Voltage5.0 AMPERES AC RESISTIVE LOAD
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Terminal Type and Quantity17 PIN ALL FUNCTIONS
Winding DC Resistance Rating3.675 KILOHMS NOMINAL SINGLE WINDING
Winding Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-001-47928422 INTERCHANGEABLE
Nut,plain,hexagon
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
3110-00-155-8894R16FF-1V1 INTERCHANGEABLE
Bearing,ball,annular
Schatz Bearing Corporation Dba Schatz Bearing Corp
3110-00-156-5090 INTERCHANGEABLE
Bearing,ball,annular
5360-00-216-9339 INTERCHANGEABLE
Spring,flat
5905-00-279-1875 INTERCHANGEABLE
Resistor,fixed,composition
2940-00-485-50992209 INTERCHANGEABLE
Air Cleaner,intake
Genuine Parts Company Div Automotive Parts Group, Dba Napa
6230-00-520-8797 INTERCHANGEABLE
Spotlight
5940-00-548-8201 INTERCHANGEABLE
Splice,conductor
6130-00-624-1697 INTERCHANGEABLE
Power Supply
4920-00-708-30392209 INTERCHANGEABLE
Plate,front
Marvel Manufacturing Co Div the Marvel Manufacturing Company
Cross-Reference Index
Part NumberManufacturer
55A5513ITEM9 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
2118-51 Te Connectivity Corporation (USA)
2209 Airpax Corporation Llc Dba Airpax Corporation Llc (USA)
2118-51 Airpax Corporation Llc Dba Airpax Corporation Llc (USA)
55A5513ITEM9 PRIMARY Westinghouse Electric Corp (USA)
T2624 Airpax Corporation Llc Dba Airpax Corporation Llc (USA)
T2624 North American Philips Corp (USA)
2209 North American Philips Corp (USA)
Related Parts
5310-00-001-4792INTERCHANGEABLE
NUT,PLAIN,HEXAGON
8422
3110-00-155-8894INTERCHANGEABLE
BEARING,BALL,ANNULAR
R16FF-1V1
3110-00-156-5090INTERCHANGEABLE
BEARING,BALL,ANNULAR
5360-00-216-9339INTERCHANGEABLE
SPRING,FLAT
5905-00-279-1875INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
2940-00-485-5099INTERCHANGEABLE
AIR CLEANER,INTAKE
2209
6230-00-520-8797INTERCHANGEABLE
SPOTLIGHT
5940-00-548-8201INTERCHANGEABLE
SPLICE,CONDUCTOR
6130-00-624-1697INTERCHANGEABLE
POWER SUPPLY
4920-00-708-3039INTERCHANGEABLE
PLATE,FRONT
2209
5120-00-752-9755INTERCHANGEABLE
PLIERS,RETAINING RING
5840-01-023-3237INTERCHANGEABLE
COUPLER,RADAR RECEIVER

Frequently Asked Questions

What is NSN 5945-00-259-6971?

NSN 5945-00-259-6971 is a Relay,electromagnetic, manufactured by Westinghouse Electric Corp, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-259-6971?

NSN 5945-00-259-6971 has 8 cross-referenced part numbers: 55A5513ITEM9 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 2118-51 (Te Connectivity Corporation), 2209 (Airpax Corporation Llc Dba Airpax Corporation Llc), 2118-51 (Airpax Corporation Llc Dba Airpax Corporation Llc), 55A5513ITEM9 (Westinghouse Electric Corp) and 3 more.

What NSN replaces 5945-00-259-6971?

There are 12 known substitutes for 5945-00-259-6971: 5310-00-001-4792, 3110-00-155-8894, 3110-00-156-5090 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55A5513ITEM9?

Key specifications for 55A5513ITEM9: Nonpile-Up Main Contact Arrangement: 5 POLE, DOUBLE THROW, ONE POSITION MOMENTARY; Frequency in Hertz: 60.0 NOMINAL; Operating Voltage Rating and Type at Specified Temp: 115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING; Thread Quantity Per Inch: 32 SINGLE MOUNTING FACILITY. 21 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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