PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21391Switch,thermostatic

Sensata Technologies, Inc. Div Sensata Attleboro · NSN 5930-00-844-8470 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-844-8470 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-844-8470. Primary manufacturer part number: 21391.
Features
  • Switch,thermostatic — FSC 5930
  • Style Designator: PLUG
  • Media for Which Designed: GAS OR LIQUID
  • Contact Load Current Rating: 1.0 AMPERES RESISTIVE LOAD THIRD VOLTAGE
  • Nonpile-Up Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
  • Thread Series Designator: UN SINGLE THREADED BUSHING
  • Contact Voltage Rating in Volts: 30.0 DC AT SEA LEVEL FOURTH VOLTAGE
  • Width Across Flats: 1.375 INCHES NOMINAL IN
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-00-844-8470, 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 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-844-8470
Primary Part Number21391
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerSensata Technologies, Inc. Div Sensata Attleboro
StatusACTIVE
Style DesignatorPLUG
Media for Which DesignedGAS OR LIQUID
Contact Load Current Rating1.0 AMPERES RESISTIVE LOAD THIRD VOLTAGE
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Thread Series DesignatorUN SINGLE THREADED BUSHING
Contact Voltage Rating in Volts30.0 DC AT SEA LEVEL FOURTH VOLTAGE
Width Across Flats1.375 INCHES NOMINAL IN
Terminal TypeCONNECTOR, RECEPTACLE
Contact Voltage Rating in Volts125.0 AC AT SEA LEVEL SECOND VOLTAGE
Thread Class3A SINGLE THREADED BUSHING A
Precious Material and LocationCONTACT SURFACES GOLD
Contact Stimulus Rating180.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 200.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
Contact Action StimulusINCREASE
Contact Load Current Rating2.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
Contact Voltage Rating in Volts250.0 AC AT SEA LEVEL THIRD VOLTAGE
Mounting MethodTHREADED BUSHING
Contact Load Current Rating5.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
Thread Quantity Per Inch12 SINGLE THREADED BUSHING
Nominal Thread Size1.0625 INCHES SINGLE THREADED BUSHING IN
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
Body Length1.031 INCHES NOMINAL IN
Contact Voltage Rating in Volts30.0 AC AT SEA LEVEL FIRST VOLTAGE
Operating Temp Rating320.0 FAHRENHEIT MAXIMUM DEGF
Temp Sensing Element TypeINTERNAL SENSOR
Contact Load Current Rating5.0 AMPERES RESISTIVE LOAD FOURTH VOLTAGE
Precious MaterialGOLD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4330-00-277-329721391 INTERCHANGEABLE
Filter Element,fluid
Arvinmeritor Inc
5915-00-412-4384402793-001 INTERCHANGEABLE
Filter,band Pass
Tegam, Inc.
5999-00-499-627621-391 INTERCHANGEABLE
Contact,electrical
Eaton Corp Opns & Technical Center
5970-00-616-63352-139-1 INTERCHANGEABLE
Insulator,plate
Precision Aerospace Corporation Dba Precision Engine Control
4240-01-340-793621391 INTERCHANGEABLE
Strap,safety,industrial
Buckingham Mfg Co Inc
4820-01-424-120221391-001 INTERCHANGEABLE
Valve,linear,directional Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
5975-01-632-0556 INTERCHANGEABLE
Socket and Cap Asse
Cross-Reference Index
Part NumberManufacturer
117SCE242-1 Northrop Grumman Systems Corporation (USA)
21391 PRIMARY Sensata Technologies, Inc. Div Sensata Attleboro (USA)
Related Parts
4330-00-277-3297INTERCHANGEABLE
FILTER ELEMENT,FLUID
21391
5915-00-412-4384INTERCHANGEABLE
FILTER,BAND PASS
402793-001
5999-00-499-6276INTERCHANGEABLE
CONTACT,ELECTRICAL
21-391
5970-00-616-6335INTERCHANGEABLE
INSULATOR,PLATE
2-139-1
4240-01-340-7936INTERCHANGEABLE
STRAP,SAFETY,INDUSTRIAL
21391
4820-01-424-1202INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21391-001
5975-01-632-0556INTERCHANGEABLE
SOCKET AND CAP ASSE

Frequently Asked Questions

What is NSN 5930-00-844-8470?

NSN 5930-00-844-8470 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 5930-00-844-8470?

NSN 5930-00-844-8470 has 2 cross-referenced part numbers: 117SCE242-1 (Northrop Grumman Systems Corporation), 21391 (Sensata Technologies, Inc. Div Sensata Attleboro).

What NSN replaces 5930-00-844-8470?

There are 7 known substitutes for 5930-00-844-8470: 4330-00-277-3297, 5915-00-412-4384, 5999-00-499-6276 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21391?

Key specifications for 21391: Style Designator: PLUG; Media for Which Designed: GAS OR LIQUID; Contact Load Current Rating: 1.0 AMPERES RESISTIVE LOAD THIRD VOLTAGE; Nonpile-Up Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION. 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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