PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4344-9-51Switch,thermostatic

Sensata Technologies, Inc. Div Sensata Attleboro · NSN 5930-00-263-0731 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-263-0731 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-263-0731. Primary manufacturer part number: 4344-9-51.
Features
  • Switch,thermostatic — FSC 5930
  • Temp Sensing Element Type: INTERNAL SENSOR
  • Features Provided: AUTOMATIC RESET
  • Contact Load Current Rating: 1.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
  • Contact Adjustability: ACTUATION POINT NOT ADJUSTABLE
  • Contact Stimulus Rating: 90.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 50.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
  • Contact Voltage Rating in Volts: 125.0 DC AT SEA LEVEL SECOND VOLTAGE
  • Contact Load Current Rating: 200.0 MILLIAMPERES RESISTIVE LOAD SECOND VOLTAGE
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-00-263-0731, is classified within Federal Supply Class 5930 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Sensata Technologies, Inc. Div Sensata Attleboro. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-263-0731
Primary Part Number4344-9-51
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerSensata Technologies, Inc. Div Sensata Attleboro
StatusACTIVE
Temp Sensing Element TypeINTERNAL SENSOR
Features ProvidedAUTOMATIC RESET
Contact Load Current Rating1.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
Contact AdjustabilityACTUATION POINT NOT ADJUSTABLE
Contact Stimulus Rating90.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 50.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
Contact Voltage Rating in Volts125.0 DC AT SEA LEVEL SECOND VOLTAGE
Contact Load Current Rating200.0 MILLIAMPERES RESISTIVE LOAD SECOND VOLTAGE
Contact Voltage Rating in Volts250.0 AC AT SEA LEVEL FIRST VOLTAGE
Media for Which DesignedGAS OR LIQUID
Terminal TypeTAB, SOLDER LUG
Mounting MethodFLUSH
Operating Temp Rating-10.0 FAHRENHEIT MINIMUM AND 250.0 FAHRENHEIT MAXIMUM DEGF
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Contact Action StimulusINCREASE
Hazardous Locations/environmental ProtectionDUSTPROOF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3010-00-294-553626239 INTERCHANGEABLE
Bellows,pressure
Senior Operations Llc Dba Metal Bellows Div Metal Bellows
3110-00-554-32811304S INTERCHANGEABLE
Bearing,ball,annular
Ntn Bearing Corporation of America
2835-00-562-992245-21294 INTERCHANGEABLE
Capstan,lacing
Tex-Tech Engineered Composites, Llc
5999-01-142-548926239 INTERCHANGEABLE
Mounting Pad,electrical-Electron
Cadillac Gage Textron Inc.
Cross-Reference Index
Part NumberManufacturer
4344-9-51 PRIMARY Sensata Technologies, Inc. Div Sensata Attleboro (USA)
SA729 Sensata Technologies, Inc. Div Sensata Attleboro (USA)
452-1294 Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions (USA)
1836 Aimtron Systems, Llc (USA)
1836 Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA)
26239 Raytheon Company Dba Raytheon (USA)
809788 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
1836 Howden Fluid Systems (USA)
C4344-9-51 Sensata Technologies, Inc. Div Sensata Attleboro (USA)
SA729M2 Sensata Technologies, Inc. Div Sensata Attleboro (USA)
Related Parts
3010-00-294-5536INTERCHANGEABLE
BELLOWS,PRESSURE
26239
3110-00-554-3281INTERCHANGEABLE
BEARING,BALL,ANNULAR
1304S
2835-00-562-9922INTERCHANGEABLE
CAPSTAN,LACING
45-21294
5999-01-142-5489INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
26239

Frequently Asked Questions

What is NSN 5930-00-263-0731?

NSN 5930-00-263-0731 is a Switch,thermostatic, manufactured by Sensata Technologies, Inc. Div Sensata Attleboro, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-263-0731?

NSN 5930-00-263-0731 has 10 cross-referenced part numbers: 4344-9-51 (Sensata Technologies, Inc. Div Sensata Attleboro), SA729 (Sensata Technologies, Inc. Div Sensata Attleboro), 452-1294 (Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions), 1836 (Aimtron Systems, Llc), 1836 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.) and 5 more.

What NSN replaces 5930-00-263-0731?

There are 4 known substitutes for 5930-00-263-0731: 3010-00-294-5536, 3110-00-554-3281, 2835-00-562-9922 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4344-9-51?

Key specifications for 4344-9-51: Temp Sensing Element Type: INTERNAL SENSOR; Features Provided: AUTOMATIC RESET; Contact Load Current Rating: 1.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE; Contact Adjustability: ACTUATION POINT NOT ADJUSTABLE. 18 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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