PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W55Heater,thermal Release

Rockwell Automation, Inc. Dba Rockwell Automation · NSN 5999-01-311-3214 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-311-3214 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-311-3214. Primary manufacturer part number: W55.
Features
  • Heater,thermal Release — FSC 5999
  • Current Rating for Which Designed: 13.6 AMPERES MINIMUM AND 13.8 AMPERES MAXIMUM
  • Current Rating for Which Designed: 13.6 AMPERES MINIMUM AND 13.8 AMPERES MAXIMUM
  • 1 verified cross-reference
  • Primary manufacturer: Rockwell Automation, Inc. Dba Rockwell Automation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heater,thermal Release, cataloged under National Stock Number 5999-01-311-3214, 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 Rockwell Automation, Inc. Dba Rockwell Automation. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-311-3214
Primary Part NumberW55
Item NameHeater,thermal Release
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerRockwell Automation, Inc. Dba Rockwell Automation
StatusACTIVE
Current Rating for Which Designed13.6 AMPERES MINIMUM AND 13.8 AMPERES MAXIMUM
Current Rating for Which Designed13.6 AMPERES MINIMUM AND 13.8 AMPERES MAXIMUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeZN
Weight0.0120 lbs
Cube0.0231 cu ft
Verified Substitutes 5
2420-00-139-9220 INTERCHANGEABLE
Tractor,wheeled,industrial
2420-00-139-9221 INTERCHANGEABLE
Tractor,wheeled,industrial
3439-00-255-8877 INTERCHANGEABLE
Electrode,welding
3439-00-276-0401 INTERCHANGEABLE
Electrode,welding
3110-00-554-5302 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
W55 PRIMARY Rockwell Automation, Inc. Dba Rockwell Automation (USA)
Related Parts
2420-00-139-9220INTERCHANGEABLE
TRACTOR,WHEELED,INDUSTRIAL
2420-00-139-9221INTERCHANGEABLE
TRACTOR,WHEELED,INDUSTRIAL
3439-00-255-8877INTERCHANGEABLE
ELECTRODE,WELDING
3439-00-276-0401INTERCHANGEABLE
ELECTRODE,WELDING
3110-00-554-5302INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 5999-01-311-3214?

NSN 5999-01-311-3214 is a Heater,thermal Release, manufactured by Rockwell Automation, Inc. Dba Rockwell Automation, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-311-3214?

NSN 5999-01-311-3214 has 1 cross-referenced part number: W55 (Rockwell Automation, Inc. Dba Rockwell Automation).

What NSN replaces 5999-01-311-3214?

There are 5 known substitutes for 5999-01-311-3214: 2420-00-139-9220, 2420-00-139-9221, 3439-00-255-8877 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W55?

Key specifications for W55: Current Rating for Which Designed: 13.6 AMPERES MINIMUM AND 13.8 AMPERES MAXIMUM; Current Rating for Which Designed: 13.6 AMPERES MINIMUM AND 13.8 AMPERES MAXIMUM. 2 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