PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B19Heater,thermal Release

Joslyn Clark Controls, Llc · NSN 5999-00-189-6704 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-189-6704 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-189-6704. Primary manufacturer part number: B19.
Features
  • Heater,thermal Release — FSC 5999
  • Current Rating for Which Designed: 14.2 AMPERES MINIMUM AND 16.0 AMPERES MAXIMUM
  • Current Rating for Which Designed: 14.2 AMPERES MINIMUM AND 16.0 AMPERES MAXIMUM
  • 2 verified cross-references
  • Primary manufacturer: Joslyn Clark Controls, Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heater,thermal Release, cataloged under National Stock Number 5999-00-189-6704, 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 Joslyn Clark Controls, Llc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-189-6704
Primary Part NumberB19
Item NameHeater,thermal Release
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerJoslyn Clark Controls, Llc
StatusACTIVE
Current Rating for Which Designed14.2 AMPERES MINIMUM AND 16.0 AMPERES MAXIMUM
Current Rating for Which Designed14.2 AMPERES MINIMUM AND 16.0 AMPERES MAXIMUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeY
Verified Substitutes 6
6920-00-063-5925B19 INTERCHANGEABLE
Target,bull's-Eye
National Target Company, Inc.
5355-00-182-5103B-19 INTERCHANGEABLE
Knobhandle
Reid Supply Company
3455-00-224-8925 INTERCHANGEABLE
File,rotary
9340-00-273-3001 INTERCHANGEABLE
Glass,laminated
5940-00-581-4716320749 INTERCHANGEABLE
Terminal,lug
Te Connectivity Corporation
3110-00-979-7835 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
B19 Ward Leonard Ct Llc (USA)
B19 PRIMARY Joslyn Clark Controls, Llc (USA)
Related Parts
6920-00-063-5925INTERCHANGEABLE
TARGET,BULL'S-EYE
B19
5355-00-182-5103INTERCHANGEABLE
KNOBHANDLE
B-19
3455-00-224-8925INTERCHANGEABLE
FILE,ROTARY
9340-00-273-3001INTERCHANGEABLE
GLASS,LAMINATED
5940-00-581-4716INTERCHANGEABLE
TERMINAL,LUG
320749
3110-00-979-7835INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 5999-00-189-6704?

NSN 5999-00-189-6704 is a Heater,thermal Release, manufactured by Joslyn Clark Controls, Llc, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-189-6704?

NSN 5999-00-189-6704 has 2 cross-referenced part numbers: B19 (Ward Leonard Ct Llc), B19 (Joslyn Clark Controls, Llc).

What NSN replaces 5999-00-189-6704?

There are 6 known substitutes for 5999-00-189-6704: 6920-00-063-5925, 5355-00-182-5103, 3455-00-224-8925 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B19?

Key specifications for B19: Current Rating for Which Designed: 14.2 AMPERES MINIMUM AND 16.0 AMPERES MAXIMUM; Current Rating for Which Designed: 14.2 AMPERES MINIMUM AND 16.0 AMPERES 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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