PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A18258Relay,electromagnetic

Raytheon Company Dba Raytheon Co · NSN 5945-00-222-5238 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-222-5238 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-222-5238. Primary manufacturer part number: A18258.
Features
  • Relay,electromagnetic — FSC 5945
  • Thread Class: 2A SINGLE MOUNTING FACILITY A
  • Nominal Thread Size: 0.164 INCHES SINGLE MOUNTING FACILITY IN
  • Terminal Type and Quantity: 5 PIN ALL FUNCTIONS
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 0.750 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
  • Main Contact Load Current Rating at Maximum Rated Voltage: 3.0 AMPERES DC RESISTIVE LOAD
  • Thread Quantity Per Inch: 32 SINGLE MOUNTING FACILITY
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-222-5238, 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 Co. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5945-00-222-5238
Primary Part NumberA18258
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon Co
StatusCANCELLED
Thread Class2A SINGLE MOUNTING FACILITY A
Nominal Thread Size0.164 INCHES SINGLE MOUNTING FACILITY IN
Terminal Type and Quantity5 PIN ALL FUNCTIONS
Center to Center Distance Between Mounting Facilities Parallel to Length0.750 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Main Contact Load Current Rating at Maximum Rated Voltage3.0 AMPERES DC RESISTIVE LOAD
Thread Quantity Per Inch32 SINGLE MOUNTING FACILITY
Winding Quantity1
Winding DC Resistance Rating200.0 OHMS NOMINAL SINGLE WINDING
Operating Voltage Rating and Type at Specified Temp12.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Coil Quantity1
Pile-Up Main Contact Form Arrangement1C
Duty TypeCONTINUOUS
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Mounting Facility Type and Quantity2 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Main Contact Maximum Voltage Rating in Volts50.0 DC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
4920-00-651-5515A300-4-1386 INTERCHANGEABLE
Cooler,oil,test Sta
Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc
Cross-Reference Index
Part NumberManufacturer
A18258 PRIMARY Raytheon Company Dba Raytheon Co (USA)
B6487 Te Connectivity Corporation (USA)
B6487 Cp Clare Corp North American Sales Operations (USA)
A18258 Te Connectivity Corporation (USA)
A18258 Te Connectivity Corporation (USA)
EAS6487 Cp Clare Corp North American Sales Operations (USA)
EAS6487 PRIMARY Te Connectivity Corporation (USA)
A18258 Cp Clare Corp North American Sales Operations (USA)
ESS6487 Te Connectivity Corporation (USA)
B6487 Te Connectivity Corporation (USA)
A18258A Bendix Corp the (USA)
EAS6487 Te Connectivity Corporation (USA)
ESS6487 Te Connectivity Corporation (USA)
A18258 Bendix Corp the (USA)
ESS6487 Cp Clare Corp North American Sales Operations (USA)
A18258A Raytheon Company Dba Raytheon Co (USA)
Related Parts
4920-00-651-5515INTERCHANGEABLE
COOLER,OIL,TEST STA
A300-4-1386

Frequently Asked Questions

What is NSN 5945-00-222-5238?

NSN 5945-00-222-5238 is a Relay,electromagnetic, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-00-222-5238?

NSN 5945-00-222-5238 has 16 cross-referenced part numbers: A18258 (Raytheon Company Dba Raytheon Co), B6487 (Te Connectivity Corporation), B6487 (Cp Clare Corp North American Sales Operations), A18258 (Te Connectivity Corporation), A18258 (Te Connectivity Corporation) and 11 more.

What NSN replaces 5945-00-222-5238?

There is 1 known substitute for 5945-00-222-5238: 4920-00-651-5515. Verify interchangeability with system specifications before substitution.

What are the specifications of A18258?

Key specifications for A18258: Thread Class: 2A SINGLE MOUNTING FACILITY A; Nominal Thread Size: 0.164 INCHES SINGLE MOUNTING FACILITY IN; Terminal Type and Quantity: 5 PIN ALL FUNCTIONS; Overall Width: 1.500 INCHES NOMINAL IN. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-00-222-5238 still in active supply?

NSN 5945-00-222-5238 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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