PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4391-6-35-T9ASwitch,thermostatic

Sensata Technologies, Inc. Div Sensata Attleboro · NSN 5930-00-078-5305 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-078-5305 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-078-5305. Primary manufacturer part number: 4391-6-35-T9A.
Features
  • Switch,thermostatic — FSC 5930
  • Contact Stimulus Rating: 100.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 80.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
  • Contact Adjustability: DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
  • Features Provided: HERMETICALLY SEALED CASE
  • Body Diameter: 1.125 INCHES NOMINAL IN
  • Body Height: 0.688 INCHES NOMINAL IN
  • Contact Voltage Rating in Volts: 30.0 DC AT SEA LEVEL THIRD VOLTAGE
  • Contact Action Stimulus: INCREASE
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-00-078-5305, 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 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5930-00-078-5305
Primary Part Number4391-6-35-T9A
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerSensata Technologies, Inc. Div Sensata Attleboro
StatusCANCELLED
Contact Stimulus Rating100.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 80.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
Features ProvidedHERMETICALLY SEALED CASE
Body Diameter1.125 INCHES NOMINAL IN
Body Height0.688 INCHES NOMINAL IN
Contact Voltage Rating in Volts30.0 DC AT SEA LEVEL THIRD VOLTAGE
Contact Action StimulusINCREASE
Distance Between Mounting Facility Centers1.812 INCHES NOMINAL IN
Nonpile-Up Contact Arrangement1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Contact Load Current Rating4.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
Contact Load Current Rating2.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
Terminal TypeTAB, SOLDER LUG
Unthreaded Mounting Hole Diameter0.156 INCHES NOMINAL IN
Contact Load Current Rating10.0 AMPERES RESISTIVE LOAD THIRD VOLTAGE
Media for Which DesignedGAS OR LIQUID
Temp Sensing Element TypeINTERNAL SENSOR
Mounting MethodBRACKET(S) AND UNTHREADED HOLE(S)
Contact Voltage Rating in Volts125.0 AC AT SEA LEVEL SECOND VOLTAGE
Style DesignatorDISC W/FLANGE
Contact Voltage Rating in Volts250.0 AC AT SEA LEVEL FIRST VOLTAGE
Mounting Facility PatternTWO POSITION IN-LINE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5962-00-147-4456373405-1 INTERCHANGEABLE
Microcircuit,digital
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
5330-00-429-068022F37 INTERCHANGEABLE
Gasket
Oshkosh Defense Llc
6125-00-608-6187 INTERCHANGEABLE
Shield Assy
5930-00-866-5876SMC500458 INTERCHANGEABLE
Switch,thermostatic
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5930-00-894-4563410866-1 INTERCHANGEABLE
Switch,thermostatic
Raytheon Company Dba Raytheon
Cross-Reference Index
Part NumberManufacturer
C4391-6-35-T9A Sensata Technologies, Inc. Div Sensata Attleboro (USA)
4391-6-35-T9A PRIMARY Sensata Technologies, Inc. Div Sensata Attleboro (USA)
4391-6-35 PRIMARY Sensata Technologies, Inc. Div Sensata Attleboro (USA)
C4391-6-35 Sensata Technologies, Inc. Div Sensata Attleboro (USA)
C4391 Treadwell Corporation (delaware) Dba Treadwell Corp (USA)
Related Parts
5962-00-147-4456INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
373405-1
5330-00-429-0680INTERCHANGEABLE
GASKET
22F37
6125-00-608-6187INTERCHANGEABLE
SHIELD ASSY
5930-00-866-5876INTERCHANGEABLE
SWITCH,THERMOSTATIC
SMC500458
5930-00-894-4563INTERCHANGEABLE
SWITCH,THERMOSTATIC
410866-1

Frequently Asked Questions

What is NSN 5930-00-078-5305?

NSN 5930-00-078-5305 is a Switch,thermostatic, manufactured by Sensata Technologies, Inc. Div Sensata Attleboro, classified under FSC 5930 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5930-00-078-5305?

NSN 5930-00-078-5305 has 5 cross-referenced part numbers: C4391-6-35-T9A (Sensata Technologies, Inc. Div Sensata Attleboro), 4391-6-35-T9A (Sensata Technologies, Inc. Div Sensata Attleboro), 4391-6-35 (Sensata Technologies, Inc. Div Sensata Attleboro), C4391-6-35 (Sensata Technologies, Inc. Div Sensata Attleboro), C4391 (Treadwell Corporation (delaware) Dba Treadwell Corp).

What NSN replaces 5930-00-078-5305?

There are 5 known substitutes for 5930-00-078-5305: 5962-00-147-4456, 5330-00-429-0680, 6125-00-608-6187 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4391-6-35-T9A?

Key specifications for 4391-6-35-T9A: Contact Stimulus Rating: 100.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 80.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT; Contact Adjustability: DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE; Features Provided: HERMETICALLY SEALED CASE; Body Diameter: 1.125 INCHES NOMINAL IN. 23 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5930-00-078-5305 still in active supply?

NSN 5930-00-078-5305 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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