PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1JC8166H09Switch,thermostatic

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 5930-00-989-1175 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-989-1175 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-989-1175. Primary manufacturer part number: 1JC8166H09.
Features
  • Switch,thermostatic — FSC 5930
  • Temp Sensing Element Type: INTERNAL SENSOR
  • Contact Stimulus Rating: 80.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 65.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
  • Contact Load Current Rating: 2.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
  • Media for Which Designed: GAS
  • Mounting Method: BRACKET(S) AND SLOT
  • Contact Action Stimulus: INCREASE
  • Operating Temp Rating: 125.0 CELSIUS MAXIMUM AND -65.0 CELSIUS MINIMUM DEGC
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-00-989-1175, 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 19 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-989-1175
Primary Part Number1JC8166H09
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
Contact Stimulus Rating80.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 65.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
Contact Load Current Rating2.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
Media for Which DesignedGAS
Mounting MethodBRACKET(S) AND SLOT
Contact Action StimulusINCREASE
Operating Temp Rating125.0 CELSIUS MAXIMUM AND -65.0 CELSIUS MINIMUM DEGC
Terminal TypeTAB, SOLDER LUG
Contact Voltage Rating in Volts28.0 DC AT SEA LEVEL SECOND VOLTAGE
Contact Voltage Rating in Volts115.0 AC AT SEA LEVEL FIRST VOLTAGE
Mounting Facility PatternTWO POSITION IN-LINE
Distance Between Mounting Facility Centers0.750 INCHES NOMINAL IN
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Features ProvidedHERMETICALLY SEALED CASE
Contact Load Current Rating5.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
Body Diameter0.640 INCHES MAXIMUM IN
Mounting Slot Width0.110 INCHES NOMINAL IN
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
Style DesignatorDISC W/FLANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5920-00-056-662031107.5 INTERCHANGEABLE
Fuse,cartridge
Littelfuse, Inc.
5365-00-529-9008W560129 INTERCHANGEABLE
Spacer,sleeve
Unison Industries Llc
5342-01-140-6673A-563 INTERCHANGEABLE
Bracket
Forenta Lp
Cross-Reference Index
Part NumberManufacturer
A563 Essex Group Inc Controls Div Lexington Plant
1JC8166H09 Westinghouse Electric Corp (USA)
4344-12-51 Sensata Technologies, Inc. Div Sensata Attleboro (USA)
1JC8166H09 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
5920-00-056-6620INTERCHANGEABLE
FUSE,CARTRIDGE
31107.5
5365-00-529-9008INTERCHANGEABLE
SPACER,SLEEVE
W560129
5342-01-140-6673INTERCHANGEABLE
BRACKET
A-563

Frequently Asked Questions

What is NSN 5930-00-989-1175?

NSN 5930-00-989-1175 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 5930-00-989-1175?

NSN 5930-00-989-1175 has 4 cross-referenced part numbers: A563 (Essex Group Inc Controls Div Lexington Plant), 1JC8166H09 (Westinghouse Electric Corp), 4344-12-51 (Sensata Technologies, Inc. Div Sensata Attleboro), 1JC8166H09 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

What NSN replaces 5930-00-989-1175?

There are 3 known substitutes for 5930-00-989-1175: 5920-00-056-6620, 5365-00-529-9008, 5342-01-140-6673. Verify interchangeability with system specifications before substitution.

What are the specifications of 1JC8166H09?

Key specifications for 1JC8166H09: Temp Sensing Element Type: INTERNAL SENSOR; Contact Stimulus Rating: 80.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 65.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT; Contact Load Current Rating: 2.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE; Overall Height: 0.670 INCHES MAXIMUM IN. 21 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com