PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N18Heater,thermal Release

Rockwell Automation, Inc. Dba Rockwell Automation · NSN 5999-00-423-5839 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-423-5839 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-423-5839. Primary manufacturer part number: N18.
Features
  • Heater,thermal Release — FSC 5999
  • Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S)
  • Mounting Hole Diameter: 0.156 INCHES NOMINAL IN
  • Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S)
  • Mounting Hole Diameter: 0.156 INCHES NOMINAL IN
  • 2 verified cross-references
  • 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 5999-00-423-5839, 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 4 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-423-5839
Primary Part NumberN18
Item NameHeater,thermal Release
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerRockwell Automation, Inc. Dba Rockwell Automation
StatusCANCELLED
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S)
Mounting Hole Diameter0.156 INCHES NOMINAL IN
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S)
Mounting Hole Diameter0.156 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJN
Weight0.0375 lbs
Cube0.0095 cu ft
Verified Substitutes 10
No Item Name Available
6150-00-008-8642N203631-2 INTERCHANGEABLE
Lead Assembly,electrical
Safran Electrical & Power Uk Limited
5310-00-010-3028 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-013-8637N1-8 INTERCHANGEABLE
Nut,plain,hexagon
Norwalk Compreseer Company Inc Dba Norwalk Compressor Company
5310-00-185-643912Z335-19 INTERCHANGEABLE
Nut,plain,round
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5340-00-195-3209 INTERCHANGEABLE
Clamp,loop
2920-00-234-2238 INTERCHANGEABLE
Spark Plug
5315-00-969-1443 INTERCHANGEABLE
Pin,coupling
1005-01-373-28481001 INTERCHANGEABLE
Trigger
Ed Brown Products, Inc. Dba Ed Brown Custom,
9140-01-564-1652 INTERCHANGEABLE
Fuel Oil,intermediate
Cross-Reference Index
Part NumberManufacturer
502-10018-00 Kato Engineering Inc. (USA)
N18 PRIMARY Rockwell Automation, Inc. Dba Rockwell Automation (USA)
Related Parts
5999-00-502-7961SUCCESSOR
NO ITEM NAME AVAILABLE
6150-00-008-8642INTERCHANGEABLE
LEAD ASSEMBLY,ELECTRICAL
N203631-2
5310-00-010-3028INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-013-8637INTERCHANGEABLE
NUT,PLAIN,HEXAGON
N1-8
5310-00-185-6439INTERCHANGEABLE
NUT,PLAIN,ROUND
12Z335-19
5340-00-195-3209INTERCHANGEABLE
CLAMP,LOOP
2920-00-234-2238INTERCHANGEABLE
SPARK PLUG
5315-00-969-1443INTERCHANGEABLE
PIN,COUPLING
1005-01-373-2848INTERCHANGEABLE
TRIGGER
1001
9140-01-564-1652INTERCHANGEABLE
FUEL OIL,INTERMEDIATE

Frequently Asked Questions

What is NSN 5999-00-423-5839?

NSN 5999-00-423-5839 is a Heater,thermal Release, manufactured by Rockwell Automation, Inc. Dba Rockwell Automation, classified under FSC 5999 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5999-00-423-5839?

NSN 5999-00-423-5839 has 2 cross-referenced part numbers: 502-10018-00 (Kato Engineering Inc.), N18 (Rockwell Automation, Inc. Dba Rockwell Automation).

What NSN replaces 5999-00-423-5839?

There are 10 known substitutes for 5999-00-423-5839: 5999-00-502-7961, 6150-00-008-8642, 5310-00-010-3028 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N18?

Key specifications for N18: Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S); Overall Length: 1.503 INCHES NOMINAL IN; Overall Width: 0.587 INCHES NOMINAL IN; Overall Height: 1.094 INCHES NOMINAL IN. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5999-00-423-5839 still in active supply?

NSN 5999-00-423-5839 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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