PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

122-140-0005Switch,thermostatic

Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems · NSN 5930-00-054-6757 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-054-6757 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-054-6757. Primary manufacturer part number: 122-140-0005.
Features
  • Switch,thermostatic — FSC 5930
  • Style Designator: DISC
  • Contact Adjustability: ACTUATION POINT NOT ADJUSTABLE
  • Mounting Facility Pattern: TWO POSITION IN-LINE
  • Contact Voltage Rating in Volts: 500.0 AC AT SEA LEVEL SINGLE VOLTAGE
  • Contact Load Current Rating: 2.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
  • Frequency in Hertz: 60.0 SINGLE VOLTAGE
  • Media for Which Designed: GAS
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-00-054-6757, 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 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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: Cancelled.

Technical Specifications
ParameterValue
NSN5930-00-054-6757
Primary Part Number122-140-0005
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerBae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
StatusCANCELLED
Style DesignatorDISC
Contact AdjustabilityACTUATION POINT NOT ADJUSTABLE
Mounting Facility PatternTWO POSITION IN-LINE
Contact Voltage Rating in Volts500.0 AC AT SEA LEVEL SINGLE VOLTAGE
Contact Load Current Rating2.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
Frequency in Hertz60.0 SINGLE VOLTAGE
Media for Which DesignedGAS
Contact Stimulus Rating35.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT
Operating Temp Rating55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
Contact Action StimulusINCREASE
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Mounting MethodBRACKET(S) AND UNTHREADED HOLE(S)
Distance Between Mounting Facility Centers0.438 INCHES NOMINAL IN
Body Diameter0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
Unthreaded Mounting Hole Diameter0.147 INCHES NOMINAL IN
Temp Sensing Element TypeINTERNAL SENSOR
Terminal TypeTAB, SOLDER LUG
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
6850-00-194-9482 INTERCHANGEABLE
Cleaning Compound
2940-00-361-250821675 INTERCHANGEABLE
Filter Body,fluid
Arvinmeritor Inc
5340-01-339-5483436275 INTERCHANGEABLE
Handle,manual Control
Brp Us Inc
Cross-Reference Index
Part NumberManufacturer
MX-257 Essex Group Inc Controls Div Lexington Plant
MX12 Ulanet George Co (USA)
MX12 Essex Group Inc Controls Div Lexington Plant
122-140-0005 PRIMARY Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
122-140-0005 Kearfott Corporation Div Guidance and Navigation Division (USA)
436-257 Essex Group Inc Controls Div Lexington Plant
Related Parts
6850-00-194-9482INTERCHANGEABLE
CLEANING COMPOUND
2940-00-361-2508INTERCHANGEABLE
FILTER BODY,FLUID
21675
5340-01-339-5483INTERCHANGEABLE
HANDLE,MANUAL CONTROL
436275

Frequently Asked Questions

What is NSN 5930-00-054-6757?

NSN 5930-00-054-6757 is a Switch,thermostatic, manufactured by Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems, classified under FSC 5930 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5930-00-054-6757?

NSN 5930-00-054-6757 has 6 cross-referenced part numbers: MX-257 (Essex Group Inc Controls Div Lexington Plant), MX12 (Ulanet George Co), MX12 (Essex Group Inc Controls Div Lexington Plant), 122-140-0005 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems), 122-140-0005 (Kearfott Corporation Div Guidance and Navigation Division) and 1 more.

What NSN replaces 5930-00-054-6757?

There are 3 known substitutes for 5930-00-054-6757: 6850-00-194-9482, 2940-00-361-2508, 5340-01-339-5483. Verify interchangeability with system specifications before substitution.

What are the specifications of 122-140-0005?

Key specifications for 122-140-0005: Style Designator: DISC; Contact Adjustability: ACTUATION POINT NOT ADJUSTABLE; Mounting Facility Pattern: TWO POSITION IN-LINE; Contact Voltage Rating in Volts: 500.0 AC AT SEA LEVEL SINGLE VOLTAGE. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5930-00-054-6757 still in active supply?

NSN 5930-00-054-6757 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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