PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21730Switch,thermostatic

Sensata Technologies, Inc. Div Sensata Attleboro · NSN 5930-00-078-3578 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-078-3578 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-078-3578. Primary manufacturer part number: 21730.
Features
  • Switch,thermostatic — FSC 5930
  • Operating Temp Rating: -65.0 FAHRENHEIT MINIMUM AND 300.0 FAHRENHEIT MAXIMUM DEGF
  • Contact Stimulus Rating: 115.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 130.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
  • Features Provided: ELECTRICAL BOX CONNECTOR
  • Hazardous Locations/environmental Protection: EXPLOSION PROOF
  • Temp Sensing Element Type: INTERNAL SENSOR
  • Mounting Method: BRACKET(S) AND SLOT
  • Body Diameter: 0.665 INCHES MAXIMUM IN
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-00-078-3578, 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 19 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
NSN5930-00-078-3578
Primary Part Number21730
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerSensata Technologies, Inc. Div Sensata Attleboro
StatusACTIVE
Operating Temp Rating-65.0 FAHRENHEIT MINIMUM AND 300.0 FAHRENHEIT MAXIMUM DEGF
Contact Stimulus Rating115.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 130.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
Features ProvidedELECTRICAL BOX CONNECTOR
Hazardous Locations/environmental ProtectionEXPLOSION PROOF
Temp Sensing Element TypeINTERNAL SENSOR
Mounting MethodBRACKET(S) AND SLOT
Body Diameter0.665 INCHES MAXIMUM IN
Contact Action StimulusDECREASE
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
Contact Voltage Rating in Volts28.0 DC AT SEA LEVEL SINGLE VOLTAGE
Body Height1.150 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
Terminal TypeCONNECTOR, RECEPTACLE
Distance Between Mounting Facility Centers1.050 INCHES MINIMUM AND 1.110 INCHES MAXIMUM IN
Contact Load Current Rating3.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
Mounting Slot Width0.156 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
Mounting Facility PatternTWO POSITION IN-LINE
Nonpile-Up Contact Arrangement1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Style DesignatorDISC W/FLANGE
Media for Which DesignedGAS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5841-00-090-393521730 INTERCHANGEABLE
Rod
Raytheon Company Dba Raytheon
4710-00-289-0651279573 INTERCHANGEABLE
Tube,metallic
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
6610-00-918-338321730 INTERCHANGEABLE
Gear Assy
Aerosonic Llc
5930-00-940-9133PM21678 INTERCHANGEABLE
Switch,push
Mason Electric Co. Dba Mason Controls
1650-00-952-381521730 INTERCHANGEABLE
Valve,regulating Flow
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
6550-01-231-7217221730 INTERCHANGEABLE
Culture Medium,gram Negative Bro
Becton, Dickinson and Company Dba Becton Dickinson & Co
1650-01-435-068121730 INTERCHANGEABLE
Plate,port
Parker Hannifin Corporation Div Hydraulic Systems Division
Cross-Reference Index
Part NumberManufacturer
644792-103 Lockheed Martin Corp (USA)
21730 PRIMARY Sensata Technologies, Inc. Div Sensata Attleboro (USA)
Related Parts
5841-00-090-3935INTERCHANGEABLE
ROD
21730
4710-00-289-0651INTERCHANGEABLE
TUBE,METALLIC
279573
6610-00-918-3383INTERCHANGEABLE
GEAR ASSY
21730
5930-00-940-9133INTERCHANGEABLE
SWITCH,PUSH
PM21678
1650-00-952-3815INTERCHANGEABLE
VALVE,REGULATING FLOW
21730
6550-01-231-7217INTERCHANGEABLE
CULTURE MEDIUM,GRAM NEGATIVE BRO
221730
1650-01-435-0681INTERCHANGEABLE
PLATE,PORT
21730

Frequently Asked Questions

What is NSN 5930-00-078-3578?

NSN 5930-00-078-3578 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 5930-00-078-3578?

NSN 5930-00-078-3578 has 2 cross-referenced part numbers: 644792-103 (Lockheed Martin Corp), 21730 (Sensata Technologies, Inc. Div Sensata Attleboro).

What NSN replaces 5930-00-078-3578?

There are 7 known substitutes for 5930-00-078-3578: 5841-00-090-3935, 4710-00-289-0651, 6610-00-918-3383 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21730?

Key specifications for 21730: Operating Temp Rating: -65.0 FAHRENHEIT MINIMUM AND 300.0 FAHRENHEIT MAXIMUM DEGF; Contact Stimulus Rating: 115.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 130.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT; Features Provided: ELECTRICAL BOX CONNECTOR; Hazardous Locations/environmental Protection: EXPLOSION PROOF. 21 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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