PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1JC8166H02Switch,thermostatic

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 5930-00-539-7065 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-539-7065 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-539-7065. Primary manufacturer part number: 1JC8166H02.
Features
  • Switch,thermostatic — FSC 5930
  • Temp Sensing Element Type: INTERNAL SENSOR
  • Mounting Facility Pattern: TWO POSITION IN-LINE
  • Media for Which Designed: GAS OR LIQUID
  • Contact Load Current Rating: 5.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
  • Contact Stimulus Rating: 250.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 220.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
  • Nonpile-Up Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
  • Body Diameter: 0.640 INCHES MAXIMUM IN
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-00-539-7065, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-539-7065
Primary Part Number1JC8166H02
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusACTIVE
Temp Sensing Element TypeINTERNAL SENSOR
Mounting Facility PatternTWO POSITION IN-LINE
Media for Which DesignedGAS OR LIQUID
Contact Load Current Rating5.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
Contact Stimulus Rating250.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 220.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Body Diameter0.640 INCHES MAXIMUM IN
Terminal TypeTAB, SOLDER LUG
Contact Voltage Rating in Volts115.0 AC AT SEA LEVEL FIRST VOLTAGE
Contact Load Current Rating2.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
Mounting MethodFLANGE
Distance Between Mounting Facility Centers0.750 INCHES NOMINAL IN
Contact Action StimulusINCREASE
Contact Voltage Rating in Volts28.0 DC AT SEA LEVEL SECOND VOLTAGE
Style DesignatorDISC W/FLANGE
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
Features ProvidedHERMETICALLY SEALED CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3120-00-458-19492255759-13B INTERCHANGEABLE
Bushing,sleeve
Naval Ship Systems Command
5915-00-506-7515241-0375-010 INTERCHANGEABLE
Filter,band Pass
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
2920-00-516-2720 INTERCHANGEABLE
Cap,ignition Distribution
5950-00-648-0444 INTERCHANGEABLE
Transformer,radio Frequency
5962-01-186-0375934174-2B INTERCHANGEABLE
Microcircuit,linear
Raytheon Company Dba Raytheon
6685-01-364-6307XD000230 INTERCHANGEABLE
Static Tube
Kbrwyle Technology Solutions, Llc Dba Kbrwyle
5961-01-576-5113 INTERCHANGEABLE
Semiconductor Device,diode
6150-01-667-3159A3-06 INTERCHANGEABLE
Cable Assembly,power,electrical
Southern Fastener Company, Inc. Dba Sofasco
Cross-Reference Index
Part NumberManufacturer
A306 Essex Group Inc Controls Div Lexington Plant
1JC8166H02 Westinghouse Electric Corp (USA)
1JC8166H02 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
3120-00-458-1949INTERCHANGEABLE
BUSHING,SLEEVE
2255759-13B
5915-00-506-7515INTERCHANGEABLE
FILTER,BAND PASS
241-0375-010
2920-00-516-2720INTERCHANGEABLE
CAP,IGNITION DISTRIBUTION
5950-00-648-0444INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
5962-01-186-0375INTERCHANGEABLE
MICROCIRCUIT,LINEAR
934174-2B
6685-01-364-6307INTERCHANGEABLE
STATIC TUBE
XD000230
5961-01-576-5113INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
6150-01-667-3159INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
A3-06

Frequently Asked Questions

What is NSN 5930-00-539-7065?

NSN 5930-00-539-7065 is a Switch,thermostatic, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-539-7065?

NSN 5930-00-539-7065 has 3 cross-referenced part numbers: A306 (Essex Group Inc Controls Div Lexington Plant), 1JC8166H02 (Westinghouse Electric Corp), 1JC8166H02 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

What NSN replaces 5930-00-539-7065?

There are 8 known substitutes for 5930-00-539-7065: 3120-00-458-1949, 5915-00-506-7515, 2920-00-516-2720 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1JC8166H02?

Key specifications for 1JC8166H02: Temp Sensing Element Type: INTERNAL SENSOR; Mounting Facility Pattern: TWO POSITION IN-LINE; Media for Which Designed: GAS OR LIQUID; Contact Load Current Rating: 5.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE. 19 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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