PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42231Heater,thermal Release

Cooper Industries Inc Cooper Distribution Equipment Div · NSN 5999-00-674-5775 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-674-5775 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-674-5775. Primary manufacturer part number: 42231.
Features
  • Heater,thermal Release — FSC 5999
  • Mounting Hole Diameter: 0.156 INCHES NOMINAL IN
  • Current Rating for Which Designed: 38.0 AMPERES MINIMUM AND 40.0 AMPERES MAXIMUM
  • Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S)
  • Mounting Hole Diameter: 0.156 INCHES NOMINAL IN
  • Current Rating for Which Designed: 38.0 AMPERES MINIMUM AND 40.0 AMPERES MAXIMUM
  • Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S)
  • 2 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heater,thermal Release, cataloged under National Stock Number 5999-00-674-5775, 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 Cooper Industries Inc Cooper Distribution Equipment Div. Government technical data includes 6 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-674-5775
Primary Part Number42231
Item NameHeater,thermal Release
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerCooper Industries Inc Cooper Distribution Equipment Div
StatusACTIVE
Mounting Hole Diameter0.156 INCHES NOMINAL IN
Current Rating for Which Designed38.0 AMPERES MINIMUM AND 40.0 AMPERES MAXIMUM
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S)
Mounting Hole Diameter0.156 INCHES NOMINAL IN
Current Rating for Which Designed38.0 AMPERES MINIMUM AND 40.0 AMPERES MAXIMUM
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight0.1300 lbs
Cube0.0090 cu ft
Verified Substitutes 11
2940-00-001-351342231 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
5935-00-076-02384223-1 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Dri Relays Inc. Dba Dri Relays Inc
5950-00-118-6235 INTERCHANGEABLE
Transformer,power
2915-00-225-109280084 INTERCHANGEABLE
Parts Kit,fuel System
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
6150-00-583-955480084 INTERCHANGEABLE
Lead,electrical
Frontgrade Technologies Inc.
5935-00-868-848042231 INTERCHANGEABLE
Connector,plug,electrical
Thermo Electric Company Inc. Dba Thermo Electric Company
6680-01-033-2561 INTERCHANGEABLE
Meter,volumetric Positive Displa
4320-01-208-70694223-1 INTERCHANGEABLE
Ring,lantern
Air & Liquid Systems Corporation Dba Buffalo Pumps
4820-01-226-3122A6794.017.132 INTERCHANGEABLE
Stem,fluid Valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5935-01-316-1143 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Cross-Reference Index
Part NumberManufacturer
42231 Cooper Industries Inc Cooper Distribution Equipment Div (USA)
80084 Raytheon Technical Services Company (USA)
Related Parts
2940-00-001-3513INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42231
5935-00-076-0238INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
4223-1
5950-00-118-6235INTERCHANGEABLE
TRANSFORMER,POWER
2915-00-225-1092INTERCHANGEABLE
PARTS KIT,FUEL SYSTEM
80084
6150-00-583-9554INTERCHANGEABLE
LEAD,ELECTRICAL
80084
5935-00-868-8480INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
42231
6680-01-033-2561INTERCHANGEABLE
METER,VOLUMETRIC POSITIVE DISPLA
4320-01-208-7069INTERCHANGEABLE
RING,LANTERN
4223-1
4820-01-226-3122INTERCHANGEABLE
STEM,FLUID VALVE
A6794.017.132
5935-01-316-1143INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
6940-01-426-1874INTERCHANGEABLE
TRAINER SUBASSEMBLY
80084

Frequently Asked Questions

What is NSN 5999-00-674-5775?

NSN 5999-00-674-5775 is a Heater,thermal Release, manufactured by Cooper Industries Inc Cooper Distribution Equipment Div, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-674-5775?

NSN 5999-00-674-5775 has 2 cross-referenced part numbers: 42231 (Cooper Industries Inc Cooper Distribution Equipment Div), 80084 (Raytheon Technical Services Company).

What NSN replaces 5999-00-674-5775?

There are 11 known substitutes for 5999-00-674-5775: 2940-00-001-3513, 5935-00-076-0238, 5950-00-118-6235 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 42231?

Key specifications for 42231: Mounting Hole Diameter: 0.156 INCHES NOMINAL IN; Current Rating for Which Designed: 38.0 AMPERES MINIMUM AND 40.0 AMPERES MAXIMUM; Overall Width: 0.312 INCHES NOMINAL IN; Overall Height: 0.375 INCHES NOMINAL IN. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com