PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21494-3Switch,thermostatic

Sensata Technologies, Inc. Div Sensata Attleboro · NSN 5930-00-839-8008 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-839-8008 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-839-8008. Primary manufacturer part number: 21494-3.
Features
  • Switch,thermostatic — FSC 5930
  • Contact Load Current Rating: 3.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
  • Frequency in Hertz: 60.0 SINGLE VOLTAGE
  • Thread Length: 0.375 INCHES NOMINAL SINGLE THREADED BUSHING IN
  • Contact Voltage Rating in Volts: 125.0 AC AT SEA LEVEL SECOND VOLTAGE
  • Body Length: 1.090 INCHES MAXIMUM IN
  • Contact Action Stimulus: INCREASE
  • Contact Voltage Rating in Volts: 30.0 AC AT SEA LEVEL THIRD VOLTAGE
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-00-839-8008, 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 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-839-8008
Primary Part Number21494-3
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerSensata Technologies, Inc. Div Sensata Attleboro
StatusACTIVE
Contact Load Current Rating3.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
Frequency in Hertz60.0 SINGLE VOLTAGE
Thread Length0.375 INCHES NOMINAL SINGLE THREADED BUSHING IN
Contact Voltage Rating in Volts125.0 AC AT SEA LEVEL SECOND VOLTAGE
Body Length1.090 INCHES MAXIMUM IN
Contact Action StimulusINCREASE
Contact Voltage Rating in Volts30.0 AC AT SEA LEVEL THIRD VOLTAGE
Style DesignatorPLUG
Mounting MethodTHREADED BUSHING
Contact Stimulus Rating455.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 345.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
Width Across Flats1.000 INCHES NOMINAL IN
Thread Quantity Per Inch16 SINGLE THREADED BUSHING
Contact Load Current Rating7.0 AMPERES RESISTIVE LOAD THIRD VOLTAGE
Contact Load Current Rating7.0 AMPERES RESISTIVE LOAD FOURTH VOLTAGE
Thread Series DesignatorUNF SINGLE THREADED BUSHING
Contact Voltage Rating in Volts250.0 AC AT SEA LEVEL FIRST VOLTAGE
Criticality Code JustificationFEAT
Contact Voltage Rating in Volts30.0 DC AT SEA LEVEL FOURTH VOLTAGE
Contact Load Current Rating6.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
Temp Sensing Element TypeINTERNAL SENSOR
Nominal Thread Size0.750 INCHES SINGLE THREADED BUSHING IN
Media for Which DesignedGAS OR LIQUID
Terminal TypeWIRE LEAD
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-063-8820A21494 INTERCHANGEABLE
Seat,valve
Barksdale, Inc
5915-00-140-923021494 INTERCHANGEABLE
Filter,electrical
Raytheon Company Dba Raytheon Co
5110-00-186-4192 INTERCHANGEABLE
Reamer,hand
6620-00-408-547821494 INTERCHANGEABLE
Gage,pressure,dial Indicating
Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations
4820-00-436-2847214943 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Dana Off Highway Products, Llc
6150-00-519-294421494 INTERCHANGEABLE
End Bell,electrical Rotating Equ
Hydro-Aire Aerospace Corp
5330-00-821-0817498HMS4T8 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5930-00-995-436421494 INTERCHANGEABLE
Switch,thermostatic
Sensata Technologies, Inc. Div Sensata Attleboro
6620-01-108-5823 INTERCHANGEABLE
Gage Unit,engine
5950-01-114-118521494 INTERCHANGEABLE
Coil
Ward Leonard Ct Llc
Cross-Reference Index
Part NumberManufacturer
21494 Sensata Technologies, Inc. Div Sensata Attleboro (USA)
21494-3 PRIMARY Sensata Technologies, Inc. Div Sensata Attleboro (USA)
54B700778P1 General Electric Co Food Service Equipment Business Dept (USA)
XNC8X57 General Electric Co Food Service Equipment Business Dept (USA)
350774-1 Itw Food Equipment Group Llc Dba Hobart Service (USA)
XNC8X57 Itw Food Equipment Group Llc Dba Hobart Service (USA)
21494-1 Sensata Technologies, Inc. Div Sensata Attleboro (USA)
Related Parts
4820-00-063-8820INTERCHANGEABLE
SEAT,VALVE
A21494
5915-00-140-9230INTERCHANGEABLE
FILTER,ELECTRICAL
21494
5110-00-186-4192INTERCHANGEABLE
REAMER,HAND
6620-00-408-5478INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
21494
4820-00-436-2847INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
214943
6150-00-519-2944INTERCHANGEABLE
END BELL,ELECTRICAL ROTATING EQU
21494
5330-00-821-0817INTERCHANGEABLE
SEAL,PLAIN ENCASED
498HMS4T8
5930-00-995-4364INTERCHANGEABLE
SWITCH,THERMOSTATIC
21494
6620-01-108-5823INTERCHANGEABLE
GAGE UNIT,ENGINE
5950-01-114-1185INTERCHANGEABLE
COIL
21494
2815-01-142-4179INTERCHANGEABLE
COVER,ENGINE POPPET VALVE ROCKER
3065412
5110-01-434-9650INTERCHANGEABLE
HANDLE,FILE

Frequently Asked Questions

What is NSN 5930-00-839-8008?

NSN 5930-00-839-8008 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 5930-00-839-8008?

NSN 5930-00-839-8008 has 7 cross-referenced part numbers: 21494 (Sensata Technologies, Inc. Div Sensata Attleboro), 21494-3 (Sensata Technologies, Inc. Div Sensata Attleboro), 54B700778P1 (General Electric Co Food Service Equipment Business Dept), XNC8X57 (General Electric Co Food Service Equipment Business Dept), 350774-1 (Itw Food Equipment Group Llc Dba Hobart Service) and 2 more.

What NSN replaces 5930-00-839-8008?

There are 12 known substitutes for 5930-00-839-8008: 4820-00-063-8820, 5915-00-140-9230, 5110-00-186-4192 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21494-3?

Key specifications for 21494-3: Contact Load Current Rating: 3.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE; Frequency in Hertz: 60.0 SINGLE VOLTAGE; Thread Length: 0.375 INCHES NOMINAL SINGLE THREADED BUSHING IN; Overall Length: 1.090 INCHES MAXIMUM IN. 27 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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