PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

J43Relay,electromagnetic

At and T Corp · NSN 5945-00-251-3150 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-251-3150 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-251-3150. Primary manufacturer part number: J43.
Features
  • Relay,electromagnetic — FSC 5945
  • Coil Quantity: 1
  • Winding Quantity: 1
  • Operating Voltage Rating and Type at Specified Temp: 48.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
  • Terminal Type and Quantity: 2 WIRE LEAD CONTACTS
  • Duty Type: CONTINUOUS
  • Winding DC Resistance Rating: 1.6 KILOHMS NOMINAL SINGLE WINDING
  • Main Contact Maximum Voltage Rating in Volts: 48.0 AC
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-251-3150, 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 At and T Corp. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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: Active.

Technical Specifications
ParameterValue
NSN5945-00-251-3150
Primary Part NumberJ43
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerAt and T Corp
StatusACTIVE
Coil Quantity1
Winding Quantity1
Operating Voltage Rating and Type at Specified Temp48.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Terminal Type and Quantity2 WIRE LEAD CONTACTS
Duty TypeCONTINUOUS
Winding DC Resistance Rating1.6 KILOHMS NOMINAL SINGLE WINDING
Main Contact Maximum Voltage Rating in Volts48.0 AC
Pile-Up Main Contact Form Arrangement1A AND 1A A
Nominal Operating Current Rating and Type5.1 MILLIAMPERES AC SINGLE WINDING
Terminal Type and Quantity4 WIRE LEAD ENERGIZING ELEMENT
Environmental ProtectionDUSTPROOF
Mounting Facility Type and Quantity2 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Frequency in Hertz16.0 MINIMUM AND 20.0 MAXIMUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5220-00-044-2767T111 INTERCHANGEABLE
Gage,profile
Compair, Inc
Cross-Reference Index
Part NumberManufacturer
J43 At and T Corp (USA)
J43RELAY Lucent Technologies Inc Corporate Headquarters (USA)
J43RELAY American Telephone and Telegraph Co (USA)
J43 American Telephone and Telegraph Co (USA)
J43RELAY Lucent Technologies Inc Dba Federal Marketing Group (USA)
Related Parts
5220-00-044-2767INTERCHANGEABLE
GAGE,PROFILE
T111

Frequently Asked Questions

What is NSN 5945-00-251-3150?

NSN 5945-00-251-3150 is a Relay,electromagnetic, manufactured by At and T Corp, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-251-3150?

NSN 5945-00-251-3150 has 5 cross-referenced part numbers: J43 (At and T Corp), J43RELAY (Lucent Technologies Inc Corporate Headquarters), J43RELAY (American Telephone and Telegraph Co), J43 (American Telephone and Telegraph Co), J43RELAY (Lucent Technologies Inc Dba Federal Marketing Group).

What NSN replaces 5945-00-251-3150?

There is 1 known substitute for 5945-00-251-3150: 5220-00-044-2767. Verify interchangeability with system specifications before substitution.

What are the specifications of J43?

Key specifications for J43: Coil Quantity: 1; Winding Quantity: 1; Operating Voltage Rating and Type at Specified Temp: 48.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING; Terminal Type and Quantity: 2 WIRE LEAD CONTACTS. 17 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com