PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

644792-7Switch,thermostatic

Lockheed Martin Corp · NSN 5930-00-814-4059 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-814-4059 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-814-4059. Primary manufacturer part number: 644792-7.
Features
  • Switch,thermostatic — FSC 5930
  • Contact Adjustability: DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
  • Body Height: 1.250 INCHES MAXIMUM IN
  • Distance Between Mounting Facility Centers: 1.080 INCHES NOMINAL IN
  • Contact Load Current Rating: 3.0 AMPERES RESISTIVE LOAD AND 200.0 MILLIAMPERES LAMP LOAD SINGLE VOLTAGE
  • Media for Which Designed: GAS
  • Contact Stimulus Rating: 175.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 190.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
  • Nonpile-Up Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-00-814-4059, 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 Corp. Government technical data includes 17 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-814-4059
Primary Part Number644792-7
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
Body Height1.250 INCHES MAXIMUM IN
Distance Between Mounting Facility Centers1.080 INCHES NOMINAL IN
Contact Load Current Rating3.0 AMPERES RESISTIVE LOAD AND 200.0 MILLIAMPERES LAMP LOAD SINGLE VOLTAGE
Media for Which DesignedGAS
Contact Stimulus Rating175.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 190.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Body Diameter0.572 INCHES MAXIMUM IN
Mounting Slot Width0.166 INCHES NOMINAL IN
Contact Voltage Rating in Volts28.0 DC AT SEA LEVEL SINGLE VOLTAGE
Hazardous Locations/environmental ProtectionEXPLOSION PROOF
Terminal TypeWIRE LEAD
Temp Sensing Element TypeINTERNAL SENSOR
Mounting Facility PatternTWO POSITION IN-LINE
Contact Action StimulusDECREASE
Mounting MethodBRACKET(S) AND SLOT
Style DesignatorDISC W/FLANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5930-00-243-2381 INTERCHANGEABLE
Adapter,switch Actuator
5360-00-316-421531671 INTERCHANGEABLE
Spring,helical,extension
Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions
5930-00-538-258331671 INTERCHANGEABLE
Switch,box
Portsmouth Naval Shipyard
3550-00-923-7833 INTERCHANGEABLE
Stripper Spring
5342-01-334-140031671 INTERCHANGEABLE
Cap,filler Opening
Gates Corporation
2590-01-516-1827 INTERCHANGEABLE
Drum Assembly
Cross-Reference Index
Part NumberManufacturer
644792-7 PRIMARY Lockheed Martin Corp (USA)
975-0088-001 Honeywell International Inc. Dba Honeywell International Div Honeywell Redmond Defense (USA)
3167-1 Honeywell International Inc. Dba Honeywell Div Aerospace ? Redmond Commercial (USA)
4344-50-6 Sensata Technologies, Inc. Div Sensata Attleboro (USA)
Related Parts
5930-00-243-2381INTERCHANGEABLE
ADAPTER,SWITCH ACTUATOR
5360-00-316-4215INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
31671
5930-00-538-2583INTERCHANGEABLE
SWITCH,BOX
31671
3550-00-923-7833INTERCHANGEABLE
STRIPPER SPRING
5342-01-334-1400INTERCHANGEABLE
CAP,FILLER OPENING
31671
2590-01-516-1827INTERCHANGEABLE
DRUM ASSEMBLY

Frequently Asked Questions

What is NSN 5930-00-814-4059?

NSN 5930-00-814-4059 is a Switch,thermostatic, manufactured by Lockheed Martin Corp, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-814-4059?

NSN 5930-00-814-4059 has 4 cross-referenced part numbers: 644792-7 (Lockheed Martin Corp), 975-0088-001 (Honeywell International Inc. Dba Honeywell International Div Honeywell Redmond Defense), 3167-1 (Honeywell International Inc. Dba Honeywell Div Aerospace ? Redmond Commercial), 4344-50-6 (Sensata Technologies, Inc. Div Sensata Attleboro).

What NSN replaces 5930-00-814-4059?

There are 6 known substitutes for 5930-00-814-4059: 5930-00-243-2381, 5360-00-316-4215, 5930-00-538-2583 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 644792-7?

Key specifications for 644792-7: Contact Adjustability: DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE; Body Height: 1.250 INCHES MAXIMUM IN; Distance Between Mounting Facility Centers: 1.080 INCHES NOMINAL IN; Overall Height: 2.370 INCHES MAXIMUM IN. 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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