PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

143-02Relay,electromagnetic

Standex Electronics, Inc. · NSN 5945-01-044-4136 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-044-4136 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-044-4136. Primary manufacturer part number: 143-02.
Features
  • Relay,electromagnetic — FSC 5945
  • Thread Class: 2A SINGLE MOUNTING FACILITY A
  • Coil Quantity: 1
  • Main Contact Load Current Rating at Maximum Rated Voltage: 2.0 AMPERES DC RESISTIVE LOAD
  • Nonpile-Up Main Contact Arrangement: 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
  • Mounting Facility Type and Quantity: 4 THREADED STUD(S) SINGLE MOUNTING FACILITY
  • Operating Voltage Rating and Type at Specified Temp: 115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 0.563 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-044-4136, 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 Standex Electronics, Inc.. Government technical data includes 16 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-01-044-4136
Primary Part Number143-02
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerStandex Electronics, Inc.
StatusACTIVE
Thread Class2A SINGLE MOUNTING FACILITY A
Coil Quantity1
Main Contact Load Current Rating at Maximum Rated Voltage2.0 AMPERES DC RESISTIVE LOAD
Nonpile-Up Main Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Mounting Facility Type and Quantity4 THREADED STUD(S) SINGLE MOUNTING FACILITY
Operating Voltage Rating and Type at Specified Temp115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Center to Center Distance Between Mounting Facilities Parallel to Width0.563 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Terminal Type and Quantity8 PIN ALL FUNCTIONS
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Winding Quantity1
Nominal Thread Size0.138 INCHES SINGLE MOUNTING FACILITY IN
Main Contact Maximum Voltage Rating in Volts28.0 DC
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Duty TypeCONTINUOUS
Frequency in Hertz400.0 NOMINAL
Center to Center Distance Between Mounting Facilities Parallel to Length1.563 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5330-00-298-9600SMB179116 INTERCHANGEABLE
Seal,nonmetallic Strip
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5950-00-645-443056-131 INTERCHANGEABLE
Coil,telephone
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
2530-00-734-7337 INTERCHANGEABLE
Lever Asy
4820-01-019-7381FB1X-OKP-102-N-7 INTERCHANGEABLE
Valve,check
Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division
6515-01-046-034414-302 INTERCHANGEABLE
Stopcock,intravenous Therapy
Norton Co
1680-01-070-9951 INTERCHANGEABLE
Plate Assy,brake,ho
5962-01-103-4294 INTERCHANGEABLE
Microcircuit,digital
5930-01-300-558714302 INTERCHANGEABLE
Switch,sensitive
Allied Defense Industries, Llc Dba Ams Distribution
6760-01-347-0453 INTERCHANGEABLE
Lens,camera,general Photographic
Cross-Reference Index
Part NumberManufacturer
143-02 PRIMARY Standex Electronics, Inc. (USA)
AE144-001-99 Dare Electronics, Inc. (USA)
Related Parts
5330-00-298-9600INTERCHANGEABLE
SEAL,NONMETALLIC STRIP
SMB179116
5950-00-645-4430INTERCHANGEABLE
COIL,TELEPHONE
56-131
2530-00-734-7337INTERCHANGEABLE
LEVER ASY
4820-01-019-7381INTERCHANGEABLE
VALVE,CHECK
FB1X-OKP-102-N-7
6515-01-046-0344INTERCHANGEABLE
STOPCOCK,INTRAVENOUS THERAPY
14-302
1680-01-070-9951INTERCHANGEABLE
PLATE ASSY,BRAKE,HO
5962-01-103-4294INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5930-01-300-5587INTERCHANGEABLE
SWITCH,SENSITIVE
14302
6760-01-347-0453INTERCHANGEABLE
LENS,CAMERA,GENERAL PHOTOGRAPHIC

Frequently Asked Questions

What is NSN 5945-01-044-4136?

NSN 5945-01-044-4136 is a Relay,electromagnetic, manufactured by Standex Electronics, Inc., classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-01-044-4136?

NSN 5945-01-044-4136 has 2 cross-referenced part numbers: 143-02 (Standex Electronics, Inc.), AE144-001-99 (Dare Electronics, Inc.).

What NSN replaces 5945-01-044-4136?

There are 9 known substitutes for 5945-01-044-4136: 5330-00-298-9600, 5950-00-645-4430, 2530-00-734-7337 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 143-02?

Key specifications for 143-02: Thread Class: 2A SINGLE MOUNTING FACILITY A; Coil Quantity: 1; Main Contact Load Current Rating at Maximum Rated Voltage: 2.0 AMPERES DC RESISTIVE LOAD; Nonpile-Up Main Contact Arrangement: 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY. 19 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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