PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B4.85Heater,thermal Release

Schneider Electric Usa, Inc. · NSN 5999-00-547-8724 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-547-8724 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-547-8724. Primary manufacturer part number: B4.85.
Features
  • Heater,thermal Release — FSC 5999
  • Mounting Hole Diameter: 0.188 INCHES NOMINAL IN
  • Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S)
  • Mounting Hole Diameter: 0.188 INCHES NOMINAL IN
  • Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S)
  • 5 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 5999-00-547-8724, 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.. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references 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: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-547-8724
Primary Part NumberB4.85
Item NameHeater,thermal Release
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerSchneider Electric Usa, Inc.
StatusCANCELLED
Mounting Hole Diameter0.188 INCHES NOMINAL IN
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S)
Mounting Hole Diameter0.188 INCHES NOMINAL IN
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S)
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeZN
Weight0.0600 lbs
Cube0.0083 cu ft
Verified Substitutes 3
5995-00-350-7710B-48-5 INTERCHANGEABLE
Cord Assembly,electrical
Fluke Electronics Corp
5940-01-168-7635MS21004-12 INTERCHANGEABLE
Terminal,lug
Sae International Dba Sae International
5970-01-543-8871 INTERCHANGEABLE
Insulator,feedthru
Cross-Reference Index
Part NumberManufacturer
B4.85 Schneider Electric Usa, Inc. (USA)
B4-85 Schneider Electric Usa, Inc. (USA)
B4.85 Schneider Electric Usa, Inc. (USA)
9065-B4.85 Schneider Electric Usa, Inc. (USA)
B4-85 Schneider Electric Usa, Inc. (USA)
Related Parts
5995-00-350-7710INTERCHANGEABLE
CORD ASSEMBLY,ELECTRICAL
B-48-5
5940-01-168-7635INTERCHANGEABLE
TERMINAL,LUG
MS21004-12
5970-01-543-8871INTERCHANGEABLE
INSULATOR,FEEDTHRU

Frequently Asked Questions

What is NSN 5999-00-547-8724?

NSN 5999-00-547-8724 is a Heater,thermal Release, manufactured by Schneider Electric Usa, Inc., classified under FSC 5999 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5999-00-547-8724?

NSN 5999-00-547-8724 has 5 cross-referenced part numbers: B4.85 (Schneider Electric Usa, Inc.), B4-85 (Schneider Electric Usa, Inc.), B4.85 (Schneider Electric Usa, Inc.), 9065-B4.85 (Schneider Electric Usa, Inc.), B4-85 (Schneider Electric Usa, Inc.).

What NSN replaces 5999-00-547-8724?

There are 3 known substitutes for 5999-00-547-8724: 5995-00-350-7710, 5940-01-168-7635, 5970-01-543-8871. Verify interchangeability with system specifications before substitution.

What are the specifications of B4.85?

Key specifications for B4.85: Overall Height: 1.000 INCHES NOMINAL IN; Mounting Hole Diameter: 0.188 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S); Overall Length: 1.875 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5999-00-547-8724 still in active supply?

NSN 5999-00-547-8724 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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