PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W50Heater,thermal Release

Ward Leonard Ct Llc · NSN 5999-00-961-8135 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-961-8135 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-961-8135. Primary manufacturer part number: W50.
Features
  • Heater,thermal Release — FSC 5999
  • 1 verified cross-reference
  • Primary manufacturer: Ward Leonard Ct Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heater,thermal Release, cataloged under National Stock Number 5999-00-961-8135, 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 Ward Leonard Ct Llc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Catalog Facts
Item NameHeater,thermal Release
FSC / FSG5999 — No Item Name Available (FSG 59)
ManufacturersWard Leonard Ct Llc (CAGE 63743)
Technical Specifications
ParameterValue
NSN5999-00-961-8135
Primary Part NumberW50
Item NameHeater,thermal Release
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerWard Leonard Ct Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight0.0100 lbs
Cube0.0010 cu ft
Verified Substitutes 3
6145-00-255-0187 INTERCHANGEABLE
Cable,telephone
5950-00-681-68625010 INTERCHANGEABLE
Transformer,power Autotransforme
Staco Energy Products Co Dba Staco Energy Products Co
5999-01-241-8032W50 INTERCHANGEABLE
Heater,thermal Release
Rockwell Automation, Inc. Dba Rockwell Automation
Cross-Reference Index
Part NumberManufacturer
W50 PRIMARY Ward Leonard Ct Llc (USA)
Related Parts
6145-00-255-0187INTERCHANGEABLE
CABLE,TELEPHONE
5950-00-681-6862INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
5010
5999-01-241-8032INTERCHANGEABLE
HEATER,THERMAL RELEASE
W50

Frequently Asked Questions

What is NSN 5999-00-961-8135?

NSN 5999-00-961-8135 is a Heater,thermal Release, manufactured by Ward Leonard Ct Llc, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-961-8135?

NSN 5999-00-961-8135 has 1 cross-referenced part number: W50 (Ward Leonard Ct Llc).

What NSN replaces 5999-00-961-8135?

There are 3 known substitutes for 5999-00-961-8135: 6145-00-255-0187, 5950-00-681-6862, 5999-01-241-8032. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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