PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W-31Heater,thermal Release

Rockwell Automation, Inc. Dba Rockwell Automation · NSN 5999-01-271-8218 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-271-8218 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-271-8218. Primary manufacturer part number: W-31.
Features
  • Heater,thermal Release — FSC 5999
  • Current Rating for Which Designed: 1250.0 MILLIAMPERES MINIMUM AND 1500.0 MILLIAMPERES MAXIMUM
  • Current Rating for Which Designed: 1250.0 MILLIAMPERES MINIMUM AND 1500.0 MILLIAMPERES 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 5999-01-271-8218, 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-271-8218
Primary Part NumberW-31
Item NameHeater,thermal Release
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerRockwell Automation, Inc. Dba Rockwell Automation
StatusACTIVE
Current Rating for Which Designed1250.0 MILLIAMPERES MINIMUM AND 1500.0 MILLIAMPERES MAXIMUM
Current Rating for Which Designed1250.0 MILLIAMPERES MINIMUM AND 1500.0 MILLIAMPERES MAXIMUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Weight0.0200 lbs
Cube0.0059 cu ft
Verified Substitutes 4
5120-00-180-0872 INTERCHANGEABLE
Bar,wrecking
3441-00-241-8261 INTERCHANGEABLE
Brake Machine,sheet Metal,hand O
5340-00-382-8970101332 INTERCHANGEABLE
Clip,retaining
Dana Off Highway Products, Llc
5999-01-452-6989W31 INTERCHANGEABLE
Contact Assembly,electrical
Eaton Corp Machinery Process Control Opns
Cross-Reference Index
Part NumberManufacturer
W-31 PRIMARY Rockwell Automation, Inc. Dba Rockwell Automation (USA)
Related Parts
5120-00-180-0872INTERCHANGEABLE
BAR,WRECKING
3441-00-241-8261INTERCHANGEABLE
BRAKE MACHINE,SHEET METAL,HAND O
5340-00-382-8970INTERCHANGEABLE
CLIP,RETAINING
101332
5999-01-452-6989INTERCHANGEABLE
CONTACT ASSEMBLY,ELECTRICAL
W31

Frequently Asked Questions

What is NSN 5999-01-271-8218?

NSN 5999-01-271-8218 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 5999-01-271-8218?

NSN 5999-01-271-8218 has 1 cross-referenced part number: W-31 (Rockwell Automation, Inc. Dba Rockwell Automation).

What NSN replaces 5999-01-271-8218?

There are 4 known substitutes for 5999-01-271-8218: 5120-00-180-0872, 3441-00-241-8261, 5340-00-382-8970 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W-31?

Key specifications for W-31: Current Rating for Which Designed: 1250.0 MILLIAMPERES MINIMUM AND 1500.0 MILLIAMPERES MAXIMUM; Current Rating for Which Designed: 1250.0 MILLIAMPERES MINIMUM AND 1500.0 MILLIAMPERES MAXIMUM. 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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