PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E73Heater,thermal Release

Schneider Electric Usa, Inc. · NSN 5999-01-439-6855 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-439-6855 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-439-6855. Primary manufacturer part number: E73.
Features
  • Heater,thermal Release — FSC 5999
  • 1 verified cross-reference
  • 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 5999-01-439-6855, 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 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-439-6855
Primary Part NumberE73
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 2
6520-00-524-455088-0307 INTERCHANGEABLE
Elevator,root
Boss Instruments, Limited Inc
5940-00-688-6010 INTERCHANGEABLE
Terminal,lug
Cross-Reference Index
Part NumberManufacturer
E73 PRIMARY Schneider Electric Usa, Inc. (USA)
Related Parts
6520-00-524-4550INTERCHANGEABLE
ELEVATOR,ROOT
88-0307
5940-00-688-6010INTERCHANGEABLE
TERMINAL,LUG

Frequently Asked Questions

What is NSN 5999-01-439-6855?

NSN 5999-01-439-6855 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 5999-01-439-6855?

NSN 5999-01-439-6855 has 1 cross-referenced part number: E73 (Schneider Electric Usa, Inc.).

What NSN replaces 5999-01-439-6855?

There are 2 known substitutes for 5999-01-439-6855: 6520-00-524-4550, 5940-00-688-6010. Verify interchangeability with system specifications before substitution.

What are the specifications of E73?

Key specifications for E73: End Item Identification: MISC PARTS E/I FSCM 03950; End Item Identification: MISC PARTS E/I FSCM 03950. 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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