PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

120176Relay,thermal

Lucent Technologies Inc Corporate Headquarters · NSN 5945-00-242-3441 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-242-3441 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-242-3441. Primary manufacturer part number: 120176.
Features
  • Relay,thermal — FSC 5945
  • Delay Time in Seconds: 30.0 FIXED OPERATE NOMINAL
  • Contact Maximum Voltage Rating in Volts: 1500.0 AC
  • Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S)
  • Heater Power Rating in Watts: 6.0
  • Environmental Protection: DUSTPROOF
  • Terminal Type and Quantity: 8 PIN
  • Contact Maximum Current Rating in Amps: 0.8 AC
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,thermal, cataloged under National Stock Number 5945-00-242-3441, 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 Lucent Technologies Inc Corporate Headquarters. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-242-3441
Primary Part Number120176
Item NameRelay,thermal
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerLucent Technologies Inc Corporate Headquarters
StatusACTIVE
Delay Time in Seconds30.0 FIXED OPERATE NOMINAL
Contact Maximum Voltage Rating in Volts1500.0 AC
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S)
Heater Power Rating in Watts6.0
Environmental ProtectionDUSTPROOF
Terminal Type and Quantity8 PIN
Contact Maximum Current Rating in Amps0.8 AC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4730-00-270-46166-6120102BA INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
5905-01-399-219810115414-103 INTERCHANGEABLE
Resistor,thermal
Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis
5305-01-697-4365120-276V08T8 INTERCHANGEABLE
Screw,machine
Bell Textron Inc
Cross-Reference Index
Part NumberManufacturer
120176 Lucent Technologies Inc Corporate Headquarters (USA)
120176 At and T Corp (USA)
120176 American Telephone and Telegraph Co (USA)
TD5A Itt Telecom Products Corp Network Systems Div (USA)
Related Parts
4730-00-270-4616INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
6-6120102BA
5905-01-399-2198INTERCHANGEABLE
RESISTOR,THERMAL
10115414-103
5305-01-697-4365INTERCHANGEABLE
SCREW,MACHINE
120-276V08T8

Frequently Asked Questions

What is NSN 5945-00-242-3441?

NSN 5945-00-242-3441 is a Relay,thermal, manufactured by Lucent Technologies Inc Corporate Headquarters, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-242-3441?

NSN 5945-00-242-3441 has 4 cross-referenced part numbers: 120176 (Lucent Technologies Inc Corporate Headquarters), 120176 (At and T Corp), 120176 (American Telephone and Telegraph Co), TD5A (Itt Telecom Products Corp Network Systems Div).

What NSN replaces 5945-00-242-3441?

There are 3 known substitutes for 5945-00-242-3441: 4730-00-270-4616, 5905-01-399-2198, 5305-01-697-4365. Verify interchangeability with system specifications before substitution.

What are the specifications of 120176?

Key specifications for 120176: Delay Time in Seconds: 30.0 FIXED OPERATE NOMINAL; Contact Maximum Voltage Rating in Volts: 1500.0 AC; Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Heater Power Rating in Watts: 6.0. 11 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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