PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42426Heater,thermal Release

Cooper Industries Inc Cooper Distribution Equipment Div · NSN 5999-00-706-2980 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-706-2980 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-706-2980. Primary manufacturer part number: 42426.
Features
  • Heater,thermal Release — FSC 5999
  • Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S)
  • Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S)
  • 2 verified cross-references
  • Primary manufacturer: Cooper Industries Inc Cooper Distribution Equipment Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heater,thermal Release, cataloged under National Stock Number 5999-00-706-2980, 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 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
NSN5999-00-706-2980
Primary Part Number42426
Item NameHeater,thermal Release
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerCooper Industries Inc Cooper Distribution Equipment Div
StatusACTIVE
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S)
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJN
Weight0.1300 lbs
Cube0.0090 cu ft
Verified Substitutes 6
5120-00-596-0836 INTERCHANGEABLE
Socket,socket Wrench
5330-00-948-724042393 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5950-01-025-7198403844 INTERCHANGEABLE
Reactor
Aimtron Systems, Llc
5995-01-090-164742426 INTERCHANGEABLE
Cable Assembly,radio Frequency
Eaton Corp Information Management Systems Div Microwave Components
5985-01-118-7875812-9529 INTERCHANGEABLE
Adapter,waveguide
Warner Robins Air Logistics Center
5330-01-337-3177 INTERCHANGEABLE
Gasket
Cross-Reference Index
Part NumberManufacturer
42426 Cooper Industries Inc Cooper Distribution Equipment Div (USA)
EP5-1-6 Ellis & Watts International, Llc (USA)
Related Parts
5120-00-596-0836INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5330-00-948-7240INTERCHANGEABLE
SEAL,PLAIN ENCASED
42393
5950-01-025-7198INTERCHANGEABLE
REACTOR
403844
5995-01-090-1647INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
42426
5985-01-118-7875INTERCHANGEABLE
ADAPTER,WAVEGUIDE
812-9529
5330-01-337-3177INTERCHANGEABLE
GASKET

Frequently Asked Questions

What is NSN 5999-00-706-2980?

NSN 5999-00-706-2980 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 5999-00-706-2980?

NSN 5999-00-706-2980 has 2 cross-referenced part numbers: 42426 (Cooper Industries Inc Cooper Distribution Equipment Div), EP5-1-6 (Ellis & Watts International, Llc).

What NSN replaces 5999-00-706-2980?

There are 6 known substitutes for 5999-00-706-2980: 5120-00-596-0836, 5330-00-948-7240, 5950-01-025-7198 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 42426?

Key specifications for 42426: Overall Length: 1.906 INCHES NOMINAL IN; Overall Height: 0.781 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S); Overall Width: 0.750 INCHES NOMINAL IN. 8 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