PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AR55.0Heater,thermal Release

Schneider Electric Usa, Inc. · NSN 5999-01-440-1786 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-440-1786 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-440-1786. Primary manufacturer part number: AR55.0.
Features
  • Heater,thermal Release — FSC 5999
  • 2 verified cross-references
  • Primary manufacturer: Schneider Electric Usa, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heater,thermal Release, cataloged under National Stock Number 5999-01-440-1786, 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 Schneider Electric Usa, Inc.. This item has 2 commercial cross-references from 1 manufacturer, 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.

Catalog Facts
Item NameHeater,thermal Release
FSC / FSG5999 — No Item Name Available (FSG 59)
ManufacturersSchneider Electric Usa, Inc. (CAGE 56365)
Technical Specifications
ParameterValue
NSN5999-01-440-1786
Primary Part NumberAR55.0
Item NameHeater,thermal Release
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerSchneider Electric Usa, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Verified Substitutes 1
5325-00-270-8911295300 INTERCHANGEABLE
Receptacle,positive Lock
Monadnock Company, the Dba Lisi Aerospace
Cross-Reference Index
Part NumberManufacturer
AR55 Schneider Electric Usa, Inc. (USA)
AR55.0 PRIMARY Schneider Electric Usa, Inc. (USA)
Related Parts
5325-00-270-8911INTERCHANGEABLE
RECEPTACLE,POSITIVE LOCK
295300

Frequently Asked Questions

What is NSN 5999-01-440-1786?

NSN 5999-01-440-1786 is a Heater,thermal Release, manufactured by Schneider Electric Usa, Inc., classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-440-1786?

NSN 5999-01-440-1786 has 2 cross-referenced part numbers: AR55 (Schneider Electric Usa, Inc.), AR55.0 (Schneider Electric Usa, Inc.).

What NSN replaces 5999-01-440-1786?

There is 1 known substitute for 5999-01-440-1786: 5325-00-270-8911. Verify interchangeability with system specifications before substitution.

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