PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GY5-4Switch,thermostatic

Ellis & Watts International, Llc · NSN 5930-00-690-0466 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-690-0466 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-690-0466. Primary manufacturer part number: GY5-4.
Features
  • Switch,thermostatic — FSC 5930
  • Body Diameter: 0.625 INCHES NOMINAL IN
  • Distance Between Mounting Facility Centers: 0.938 INCHES NOMINAL IN
  • Media for Which Designed: GAS OR LIQUID
  • Contact Adjustability: ACTUATION POINT NOT ADJUSTABLE
  • Contact Load Current Rating: 1.5 MILLIAMPERES RESISTIVE LOAD SECOND VOLTAGE
  • Style Designator: DISC W/FLANGE
  • Contact Load Current Rating: 1.5 MILLIAMPERES RESISTIVE LOAD THIRD VOLTAGE
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-00-690-0466, 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 Ellis & Watts International, Llc. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5930-00-690-0466
Primary Part NumberGY5-4
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerEllis & Watts International, Llc
StatusCANCELLED
Body Diameter0.625 INCHES NOMINAL IN
Distance Between Mounting Facility Centers0.938 INCHES NOMINAL IN
Media for Which DesignedGAS OR LIQUID
Contact AdjustabilityACTUATION POINT NOT ADJUSTABLE
Contact Load Current Rating1.5 MILLIAMPERES RESISTIVE LOAD SECOND VOLTAGE
Style DesignatorDISC W/FLANGE
Contact Load Current Rating1.5 MILLIAMPERES RESISTIVE LOAD THIRD VOLTAGE
Body Height0.219 INCHES NOMINAL IN
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Contact Voltage Rating in Volts30.0 DC AT SEA LEVEL THIRD VOLTAGE
Mounting Facility PatternTWO POSITION IN-LINE
Contact Action StimulusINCREASE
Contact Stimulus Rating69.00 ACTUATION POINT MINIMUM DEGREES FAHRENHEIT AND 75.00 ACTUATION POINT MAXIMUM DEGREES FAHRENHEIT
Contact Voltage Rating in Volts30.0 AC AT SEA LEVEL FIRST VOLTAGE
Terminal TypeTAB, SOLDER LUG
Contact Load Current Rating1.5 MILLIAMPERES RESISTIVE LOAD FIRST VOLTAGE
Contact Voltage Rating in Volts115.0 AC AT SEA LEVEL SECOND VOLTAGE
Temp Sensing Element TypeINTERNAL SENSOR
Unthreaded Mounting Hole Diameter0.094 INCHES NOMINAL IN
Mounting MethodBRACKET(S) AND UNTHREADED HOLE(S)
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5970-00-479-3198 INTERCHANGEABLE
Insulator,plate
3455-00-552-4277 INTERCHANGEABLE
Cutter,milling,end
5935-00-581-179943667 INTERCHANGEABLE
Connector,plug,electrical
Raytheon Company Dba Raytheon
4820-01-004-7922SS-4CP2-DG-10 INTERCHANGEABLE
Valve,check
Swagelok Co
5835-01-375-893043667 INTERCHANGEABLE
Recorder-Reproducer,sound
University of Washington Div Applied Physics Laboratory
3040-01-684-449543667 INTERCHANGEABLE
Adapter,housing
Power Test, Llc
Cross-Reference Index
Part NumberManufacturer
MX67 Essex Group Inc Controls Div Lexington Plant
436-67 Essex Group Inc Controls Div Lexington Plant
GY5-4 PRIMARY Ellis & Watts International, Llc (USA)
Related Parts
5970-00-479-3198INTERCHANGEABLE
INSULATOR,PLATE
3455-00-552-4277INTERCHANGEABLE
CUTTER,MILLING,END
5935-00-581-1799INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
43667
4820-01-004-7922INTERCHANGEABLE
VALVE,CHECK
SS-4CP2-DG-10
5835-01-375-8930INTERCHANGEABLE
RECORDER-REPRODUCER,SOUND
43667
3040-01-684-4495INTERCHANGEABLE
ADAPTER,HOUSING
43667

Frequently Asked Questions

What is NSN 5930-00-690-0466?

NSN 5930-00-690-0466 is a Switch,thermostatic, manufactured by Ellis & Watts International, Llc, classified under FSC 5930 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5930-00-690-0466?

NSN 5930-00-690-0466 has 3 cross-referenced part numbers: MX67 (Essex Group Inc Controls Div Lexington Plant), 436-67 (Essex Group Inc Controls Div Lexington Plant), GY5-4 (Ellis & Watts International, Llc).

What NSN replaces 5930-00-690-0466?

There are 6 known substitutes for 5930-00-690-0466: 5970-00-479-3198, 3455-00-552-4277, 5935-00-581-1799 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GY5-4?

Key specifications for GY5-4: Body Diameter: 0.625 INCHES NOMINAL IN; Distance Between Mounting Facility Centers: 0.938 INCHES NOMINAL IN; Media for Which Designed: GAS OR LIQUID; Contact Adjustability: ACTUATION POINT NOT ADJUSTABLE. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5930-00-690-0466 still in active supply?

NSN 5930-00-690-0466 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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