PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SMC500458Switch,thermostatic

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5930-00-866-5876 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-866-5876 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-866-5876. Primary manufacturer part number: SMC500458.
Features
  • Switch,thermostatic — FSC 5930
  • Temp Sensing Element Type: INTERNAL SENSOR
  • Style Designator: DISC
  • Terminal Type: WIRE LEAD
  • Frequency in Hertz: 60.0 SECOND VOLTAGE
  • Contact Stimulus Rating: 60.00 ACTUATION POINT NOMINAL DEGREES CELSIUS AND 49.00 DEACTUATION POINT NOMINAL DEGREES CELSIUS AND 10.00 DIFFERENTIAL POINT NOMINAL DEGREES CELSIUS
  • Mounting Method: THREADED STUD(S)
  • Operating Temp Rating: 125.0 CELSIUS MAXIMUM AND -55.0 CELSIUS MINIMUM DEGC
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-00-866-5876, 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 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 29 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5930-00-866-5876
Primary Part NumberSMC500458
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusCANCELLED
Temp Sensing Element TypeINTERNAL SENSOR
Style DesignatorDISC
Terminal TypeWIRE LEAD
Frequency in Hertz60.0 SECOND VOLTAGE
Contact Stimulus Rating60.00 ACTUATION POINT NOMINAL DEGREES CELSIUS AND 49.00 DEACTUATION POINT NOMINAL DEGREES CELSIUS AND 10.00 DIFFERENTIAL POINT NOMINAL DEGREES CELSIUS
Mounting MethodTHREADED STUD(S)
Operating Temp Rating125.0 CELSIUS MAXIMUM AND -55.0 CELSIUS MINIMUM DEGC
Features ProvidedHERMETICALLY SEALED CASE
Thread Length0.257 INCHES MAXIMUM ALL THREADED STUD IN
Contact Load Current Rating4.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
Contact Action StimulusINCREASE
Thread Quantity Per Inch32 ALL THREADED STUD
Thread Class2A ALL THREADED STUD A
Contact Load Current Rating10.0 AMPERES RESISTIVE LOAD THIRD VOLTAGE
Media for Which DesignedGAS OR LIQUID
Overall Diameter1.297 INCHES NOMINAL IN
Nominal Thread Size0.138 INCHES ALL THREADED STUD IN
Contact Voltage Rating in Volts250.0 AC AT SEA LEVEL FIRST VOLTAGE
Body Height1.125 INCHES NOMINAL IN
Contact Load Current Rating10.0 AMPERES RESISTIVE LOAD FOURTH VOLTAGE
Frequency in Hertz60.0 THIRD VOLTAGE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) ALL THREADED STUD
Contact Voltage Rating in Volts30.0 AC AT SEA LEVEL THIRD VOLTAGE
Contact Voltage Rating in Volts125.0 AC AT SEA LEVEL SECOND VOLTAGE
Contact Load Current Rating2.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
Nonpile-Up Contact Arrangement1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Contact Voltage Rating in Volts30.0 DC AT SEA LEVEL FOURTH VOLTAGE
Frequency in Hertz60.0 FIRST VOLTAGE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5930-00-078-53054391-6-35 INTERCHANGEABLE
Switch,thermostatic
Sensata Technologies, Inc. Div Sensata Attleboro
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
5930-00-894-4563410866-1 INTERCHANGEABLE
Switch,thermostatic
Raytheon Company Dba Raytheon
Cross-Reference Index
Part NumberManufacturer
SMC500458 Raytheon Company (USA)
SMC500458 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
666274-532 Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA)
C4391 Sensata Technologies, Inc. Div Sensata Attleboro (USA)
Related Parts
5930-00-078-5305INTERCHANGEABLE
SWITCH,THERMOSTATIC
4391-6-35
5962-00-147-4456INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
373405-1
5330-00-429-0680INTERCHANGEABLE
GASKET
22F37
6125-00-608-6187INTERCHANGEABLE
SHIELD ASSY
5930-00-894-4563INTERCHANGEABLE
SWITCH,THERMOSTATIC
410866-1

Frequently Asked Questions

What is NSN 5930-00-866-5876?

NSN 5930-00-866-5876 is a Switch,thermostatic, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5930 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5930-00-866-5876?

NSN 5930-00-866-5876 has 4 cross-referenced part numbers: SMC500458 (Raytheon Company), SMC500458 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 666274-532 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc), C4391 (Sensata Technologies, Inc. Div Sensata Attleboro).

What NSN replaces 5930-00-866-5876?

There are 5 known substitutes for 5930-00-866-5876: 5930-00-078-5305, 5962-00-147-4456, 5330-00-429-0680 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SMC500458?

Key specifications for SMC500458: Temp Sensing Element Type: INTERNAL SENSOR; Style Designator: DISC; Terminal Type: WIRE LEAD; Frequency in Hertz: 60.0 SECOND VOLTAGE. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5930-00-866-5876 still in active supply?

NSN 5930-00-866-5876 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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