PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S1265707Heater,thermal Release

Westinghouse Electric Corp · NSN 5999-00-383-2133 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-383-2133 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-383-2133. Primary manufacturer part number: S1265707.
Features
  • Heater,thermal Release — FSC 5999
  • Current Rating for Which Designed: 1930.0 MILLIAMPERES MINIMUM AND 2160.0 MILLIAMPERES MAXIMUM
  • Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S)
  • Mounting Hole Diameter: 0.188 INCHES NOMINAL IN
  • Current Rating for Which Designed: 1930.0 MILLIAMPERES MINIMUM AND 2160.0 MILLIAMPERES MAXIMUM
  • Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S)
  • Mounting Hole Diameter: 0.188 INCHES NOMINAL IN
  • 4 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 5999-00-383-2133, 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 Westinghouse Electric Corp. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-383-2133
Primary Part NumberS1265707
Item NameHeater,thermal Release
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerWestinghouse Electric Corp
StatusCANCELLED
Current Rating for Which Designed1930.0 MILLIAMPERES MINIMUM AND 2160.0 MILLIAMPERES MAXIMUM
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S)
Mounting Hole Diameter0.188 INCHES NOMINAL IN
Current Rating for Which Designed1930.0 MILLIAMPERES MINIMUM AND 2160.0 MILLIAMPERES MAXIMUM
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S)
Mounting Hole Diameter0.188 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeZ
Weight0.1200 lbs
Cube0.0184 cu ft
Verified Substitutes 12
No Item Name Available
5305-00-054-6668 INTERCHANGEABLE
Screw,machine
5940-00-113-81830097892 INTERCHANGEABLE
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3110-00-242-005223064 INTERCHANGEABLE
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Skf (uk) Ltd
3455-00-250-0766 INTERCHANGEABLE
Cutter,milling,end
5360-00-485-430223064 INTERCHANGEABLE
Spring,helical,compression
Kidde Technologies, Inc Div Kidde Aerospace and Defense
6645-00-536-150722300736 INTERCHANGEABLE
Lever Assy,minute I
Waltham Aircraft Clock Corp
4820-00-969-966823064 INTERCHANGEABLE
Parts Kit,linear Directional Con
Moog Military Aircraft Llc
5950-01-069-6076 INTERCHANGEABLE
Transformer,radio Frequency
4730-01-231-6665230-6-4 INTERCHANGEABLE
Elbow,pipe to Hose
Parker-Hannifin Corp Div Fluid System Connector Division
Cross-Reference Index
Part NumberManufacturer
S1265707 PRIMARY Westinghouse Electric Corp (USA)
104.813-26 PRIMARY Ward Leonard Ct Llc (USA)
S1265707 Westinghouse Electric Corp Control Business Unit
23064 Teledyne Solid State Products Div Teledyne Industries Sub of Teledyne Inc (USA)
Related Parts
5999-01-123-2004SUCCESSOR
NO ITEM NAME AVAILABLE
5305-00-054-6668INTERCHANGEABLE
SCREW,MACHINE
5940-00-113-8183INTERCHANGEABLE
TERMINAL,LUG
0097892
3110-00-242-0052INTERCHANGEABLE
BEARING,ROLLER,SELF-ALIGNING
23064
3455-00-250-0766INTERCHANGEABLE
CUTTER,MILLING,END
5360-00-485-4302INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
23064
6645-00-536-1507INTERCHANGEABLE
LEVER ASSY,MINUTE I
22300736
4820-00-969-9668INTERCHANGEABLE
PARTS KIT,LINEAR DIRECTIONAL CON
23064
5950-01-069-6076INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
4730-01-231-6665INTERCHANGEABLE
ELBOW,PIPE TO HOSE
230-6-4
5930-01-294-1353INTERCHANGEABLE
SWITCH,PUSH
23064
5310-01-417-7263INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON

Frequently Asked Questions

What is NSN 5999-00-383-2133?

NSN 5999-00-383-2133 is a Heater,thermal Release, manufactured by Westinghouse Electric Corp, classified under FSC 5999 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5999-00-383-2133?

NSN 5999-00-383-2133 has 4 cross-referenced part numbers: S1265707 (Westinghouse Electric Corp), 104.813-26 (Ward Leonard Ct Llc), S1265707 (Westinghouse Electric Corp Control Business Unit), 23064 (Teledyne Solid State Products Div Teledyne Industries Sub of Teledyne Inc).

What NSN replaces 5999-00-383-2133?

There are 12 known substitutes for 5999-00-383-2133: 5999-01-123-2004, 5305-00-054-6668, 5940-00-113-8183 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S1265707?

Key specifications for S1265707: Overall Length: 1.656 INCHES NOMINAL IN; Overall Height: 1.562 INCHES NOMINAL IN; Current Rating for Which Designed: 1930.0 MILLIAMPERES MINIMUM AND 2160.0 MILLIAMPERES MAXIMUM; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S). 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5999-00-383-2133 still in active supply?

NSN 5999-00-383-2133 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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