PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C209-11Switch,thermostatic

Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company · NSN 5930-00-148-8942 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-148-8942 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-148-8942. Primary manufacturer part number: C209-11.
Features
  • Switch,thermostatic — FSC 5930
  • Contact Load Current Rating: 1.0 AMPERES INDUCTIVE LOAD FIRST VOLTAGE
  • Operating Temp Rating: -65.0 FAHRENHEIT MINIMUM AND 400.0 FAHRENHEIT MAXIMUM DEGF
  • Contact Stimulus Rating: 310.00 ACTUATION POINT MINIMUM DEGREES FAHRENHEIT AND 330.00 ACTUATION POINT MAXIMUM DEGREES FAHRENHEIT AND 30.00 DIFFERENTIAL POINT NOMINAL DEGREES FAHRENHEIT
  • Contact Adjustability: DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
  • Contact Load Current Rating: 1.0 AMPERES INDUCTIVE LOAD SECOND VOLTAGE
  • Body Diameter: 0.640 INCHES MAXIMUM IN
  • Nonpile-Up Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-00-148-8942, 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 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company. 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-148-8942
Primary Part NumberC209-11
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Lockheed Martin Aeronautics Company
StatusACTIVE
Contact Load Current Rating1.0 AMPERES INDUCTIVE LOAD FIRST VOLTAGE
Operating Temp Rating-65.0 FAHRENHEIT MINIMUM AND 400.0 FAHRENHEIT MAXIMUM DEGF
Contact Stimulus Rating310.00 ACTUATION POINT MINIMUM DEGREES FAHRENHEIT AND 330.00 ACTUATION POINT MAXIMUM DEGREES FAHRENHEIT AND 30.00 DIFFERENTIAL POINT NOMINAL DEGREES FAHRENHEIT
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
Contact Load Current Rating1.0 AMPERES INDUCTIVE LOAD SECOND VOLTAGE
Body Diameter0.640 INCHES MAXIMUM IN
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Temp Sensing Element TypeINTERNAL SENSOR
Terminal TypeTHREADED STUD
Mounting MethodBRACKET(S)
Mounting Facility PatternTWO POSITION IN-LINE
Body Height0.500 INCHES MAXIMUM IN
Contact Voltage Rating in Volts30.0 DC AT SEA LEVEL SECOND VOLTAGE
Style DesignatorDISC W/FLANGE
Media for Which DesignedGAS
Distance Between Mounting Facility Centers1.007 INCHES NOMINAL IN
Features ProvidedHERMETICALLY SEALED CASE
Contact Voltage Rating in Volts115.0 AC AT SEA LEVEL FIRST VOLTAGE
Contact Action StimulusINCREASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3020-00-163-247421934 INTERCHANGEABLE
Gear,drive
Komatsu America Corporation
5940-00-280-060710-107-1 INTERCHANGEABLE
Terminal,stud
Concord Electronics, Inc.
Cross-Reference Index
Part NumberManufacturer
C209-11 PRIMARY Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
21934 Sensata Technologies, Inc. Div Sensata Attleboro (USA)
Related Parts
3020-00-163-2474INTERCHANGEABLE
GEAR,DRIVE
21934
5940-00-280-0607INTERCHANGEABLE
TERMINAL,STUD
10-107-1

Frequently Asked Questions

What is NSN 5930-00-148-8942?

NSN 5930-00-148-8942 is a Switch,thermostatic, manufactured by Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-148-8942?

NSN 5930-00-148-8942 has 2 cross-referenced part numbers: C209-11 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), 21934 (Sensata Technologies, Inc. Div Sensata Attleboro).

What NSN replaces 5930-00-148-8942?

There are 2 known substitutes for 5930-00-148-8942: 3020-00-163-2474, 5940-00-280-0607. Verify interchangeability with system specifications before substitution.

What are the specifications of C209-11?

Key specifications for C209-11: Contact Load Current Rating: 1.0 AMPERES INDUCTIVE LOAD FIRST VOLTAGE; Operating Temp Rating: -65.0 FAHRENHEIT MINIMUM AND 400.0 FAHRENHEIT MAXIMUM DEGF; Overall Width: 0.770 INCHES MINIMUM AND 0.830 INCHES MAXIMUM IN; Contact Stimulus Rating: 310.00 ACTUATION POINT MINIMUM DEGREES FAHRENHEIT AND 330.00 ACTUATION POINT MAXIMUM DEGREES FAHRENHEIT AND 30.00 DIFFERENTIAL POINT NOMINAL DEGREES FAHRENHEIT. 22 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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