PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2239Relay,electromagnetic

Jennings Technology Company Llc Dba Jennings · NSN 5945-01-185-5265 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-185-5265 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-185-5265. Primary manufacturer part number: 2239.
Features
  • Relay,electromagnetic — FSC 5945
  • Mounting Facility Type and Quantity: 4 TERMINAL SINGLE MOUNTING FACILITY
  • Main Contact Maximum Voltage Rating in Volts: 7000.0 AC
  • Winding DC Resistance Rating: 47.0 OHMS NOMINAL ALL WINDINGS
  • Main Contact Load Current Rating at Maximum Rated Voltage: 10.0 AMPERES AC RESISTIVE LOAD
  • Terminal Type and Quantity: 4 PIN ENERGIZING ELEMENT
  • Terminal Type and Quantity: 2 TAB, SOLDER LUG CONTACTS
  • Duty Type: INTERMITTENT
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-185-5265, 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 Jennings Technology Company Llc Dba Jennings. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5945-01-185-5265
Primary Part Number2239
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerJennings Technology Company Llc Dba Jennings
StatusACTIVE
Mounting Facility Type and Quantity4 TERMINAL SINGLE MOUNTING FACILITY
Main Contact Maximum Voltage Rating in Volts7000.0 AC
Winding DC Resistance Rating47.0 OHMS NOMINAL ALL WINDINGS
Main Contact Load Current Rating at Maximum Rated Voltage10.0 AMPERES AC RESISTIVE LOAD
Terminal Type and Quantity4 PIN ENERGIZING ELEMENT
Terminal Type and Quantity2 TAB, SOLDER LUG CONTACTS
Duty TypeINTERMITTENT
Operating Voltage Rating and Type at Specified Temp16.0 VOLTS DC 25 DEG CELSIUS ALL WINDINGS
Overall Diameter0.650 INCHES NOMINAL IN
Environmental ProtectionSHOCK RESISTANT AND VIBRATION RESISTANT AND HERMETIC
Nonpile-Up Main Contact Arrangement1 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED
Coil Quantity2
Winding Quantity2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6150-00-124-23952239 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Mission Systems Davenport Inc.
4520-00-413-44602239 INTERCHANGEABLE
Heating Element,electrical,nonim
Duke Mfg Co
5310-00-638-2870 INTERCHANGEABLE
Washer,key
2530-00-848-49493894219 INTERCHANGEABLE
Mount,cylinder
General Motors Llc Dba General Motors Llc
4320-01-080-1915RP-3A-200 INTERCHANGEABLE
Parts Kit,reciprocating Pump
Templeton Kenly and Co Inc
5331-01-173-87812-239 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5895-01-194-1332XL31K52 1/2A2-2-20 INTERCHANGEABLE
Converter,signal Data
Ametek, Inc. Dba Ametek Power Instruments
3120-01-278-1847A2239 INTERCHANGEABLE
Bushing,sleeve
Automatic Valve Corp. Dba Automatic Valve Nuclear
5305-01-361-1944445-2149 INTERCHANGEABLE
Screw,close Tolerance
The Boeing Company
4820-01-364-86452239 INTERCHANGEABLE
Valve,angle
Zodiac of North America, Inc. Dba Zodiac of North America Inc Div Milpro
Cross-Reference Index
Part NumberManufacturer
2239 Jennings Technology Company Llc Dba Jennings (USA)
RF43-26S Jennings Technology Company Llc Dba Jennings (USA)
Related Parts
6150-00-124-2395INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
2239
4520-00-413-4460INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
2239
5310-00-638-2870INTERCHANGEABLE
WASHER,KEY
2530-00-848-4949INTERCHANGEABLE
MOUNT,CYLINDER
3894219
4320-01-080-1915INTERCHANGEABLE
PARTS KIT,RECIPROCATING PUMP
RP-3A-200
5331-01-173-8781INTERCHANGEABLE
O-RING
2-239
5895-01-194-1332INTERCHANGEABLE
CONVERTER,SIGNAL DATA
XL31K52 1/2A2-2-20
3120-01-278-1847INTERCHANGEABLE
BUSHING,SLEEVE
A2239
5305-01-361-1944INTERCHANGEABLE
SCREW,CLOSE TOLERANCE
445-2149
4820-01-364-8645INTERCHANGEABLE
VALVE,ANGLE
2239
5305-01-377-0609INTERCHANGEABLE
SCREW,MACHINE
2239
6515-01-549-6171INTERCHANGEABLE
CUTTER,PIN POINT
GE521SU

Frequently Asked Questions

What is NSN 5945-01-185-5265?

NSN 5945-01-185-5265 is a Relay,electromagnetic, manufactured by Jennings Technology Company Llc Dba Jennings, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-01-185-5265?

NSN 5945-01-185-5265 has 2 cross-referenced part numbers: 2239 (Jennings Technology Company Llc Dba Jennings), RF43-26S (Jennings Technology Company Llc Dba Jennings).

What NSN replaces 5945-01-185-5265?

There are 12 known substitutes for 5945-01-185-5265: 6150-00-124-2395, 4520-00-413-4460, 5310-00-638-2870 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2239?

Key specifications for 2239: Mounting Facility Type and Quantity: 4 TERMINAL SINGLE MOUNTING FACILITY; Main Contact Maximum Voltage Rating in Volts: 7000.0 AC; Winding DC Resistance Rating: 47.0 OHMS NOMINAL ALL WINDINGS; Main Contact Load Current Rating at Maximum Rated Voltage: 10.0 AMPERES AC RESISTIVE LOAD. 14 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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