PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

539018Heater,thermal Release

Westinghouse Electric Corp · NSN 5999-00-429-4702 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-429-4702 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-429-4702. Primary manufacturer part number: 539018.
Features
  • Heater,thermal Release — FSC 5999
  • Current Rating for Which Designed: 95.0 AMPERES NOMINAL
  • Current Rating for Which Designed: 95.0 AMPERES NOMINAL
  • 2 verified cross-references
  • Primary manufacturer: Westinghouse Electric Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heater,thermal Release, cataloged under National Stock Number 5999-00-429-4702, is classified within Federal Supply Class 5999 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Westinghouse Electric Corp. Government technical data includes 2 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-429-4702
Primary Part Number539018
Item NameHeater,thermal Release
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerWestinghouse Electric Corp
StatusACTIVE
Current Rating for Which Designed95.0 AMPERES NOMINAL
Current Rating for Which Designed95.0 AMPERES NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeLN
Verified Substitutes 1
6220-01-179-44615390-322 INTERCHANGEABLE
Light,navigational,aircraft
Luminescent Systems, Inc. Dba Lsi Div Lsi-Nh
Cross-Reference Index
Part NumberManufacturer
539018 PRIMARY Westinghouse Electric Corp (USA)
FX507A PRIMARY Frick Co (USA)
Related Parts
6220-01-179-4461INTERCHANGEABLE
LIGHT,NAVIGATIONAL,AIRCRAFT
5390-322

Frequently Asked Questions

What is NSN 5999-00-429-4702?

NSN 5999-00-429-4702 is a Heater,thermal Release, manufactured by Westinghouse Electric Corp, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-429-4702?

NSN 5999-00-429-4702 has 2 cross-referenced part numbers: 539018 (Westinghouse Electric Corp), FX507A (Frick Co).

What NSN replaces 5999-00-429-4702?

There is 1 known substitute for 5999-00-429-4702: 6220-01-179-4461. Verify interchangeability with system specifications before substitution.

What are the specifications of 539018?

Key specifications for 539018: Current Rating for Which Designed: 95.0 AMPERES NOMINAL; Current Rating for Which Designed: 95.0 AMPERES NOMINAL. 2 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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