20400D4-32L40-1.5

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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5930 Switches

National Stock Number

5930-01-074-3918

Item Name Code

00451

Assigment Date

03/30/1979 (47 years ago)

A switch that is actuated by changes in ambient temperature. Excludes:circuit breaker; control, temperature (as modified); fuse (as modified); protector, thermal-overload, electrical motor; relay, thermal; and thermostat, flow control. See also control, temperature (as modified) and regulator, temperature (as modified).

dusttight hazardous locations/environmental protection, 2.000 inches nominal overall length, 2b all threaded hole thread class, 1.181 inches nominal body diameter, 0.921 inches maximum overall height

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2b all threaded hole
Hazardous Locations/Environmental Protection: dusttight
Overall Length: 2.000 inches nominal
Overall Height: 0.921 inches maximum
Body Diameter: 1.181 inches nominal
Body Height: 0.453 inches maximum
Distance Between Mounting Facility Centers: 1.625 inches nominal
End Item Identification: svo control cabinet 56232
Temp Sensing Element Type: internal sensor
Operating Temp Rating: 65.0 celsius maximum and 0.0 celsius minimum
Mounting Method: bracket and threaded hole
Features Provided: electrical access port
Thread Quantity Per Inch: 32 all threaded hole
Contact Action Stimulus: increase
Nominal Thread Size: 0.164 inches all threaded hole
Mounting Facility Pattern: two position in-line
Nonpile-Up Contact Arrangement: 1 pole, double throw, one position momentary
Terminal Type: tab, solder lug
Contact Load Current Rating: 25.0 amperes resistive load first voltage
Contact Load Current Rating: 25.0 amperes resistive load second voltage
Contact Adjustability: deactuation point not adjustable and actuation point not adjustable
Contact Stimulus Rating: 34.00 actuation point minimum degrees fahrenheit and 46.00 actuation point maximum degrees fahrenheit and 34.00 deactuation point minimum degrees fahrenheit and 46.00 deactuation point maximum degrees fahrenheit
Contact Voltage Rating In Volts: 120.0 ac at sea level second voltage
Contact Voltage Rating In Volts: 240.0 ac at sea level first voltage
Media For Which Designed: gas
Precious Material And Location: contacts silver
Precious Material: silver
Style Designator: disc w/flange
Thread Series Designator: unc all threaded hole

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
20400D4-32L40-1.5	Thermostatic Switch
3145204	Thermostatic Switch
563007	Thermostatic Switch

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5930-01-074-3918?

The FSCG of the NSN 5930-01-074-3918 is 5930

Does the NSN 5930-01-074-3918 have a Schedule B code assigned?

Yes, the Schedule B code is 9032100000

Does NSN 5930-01-074-3918 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5930-01-074-3918 contain precious materials?

Item contains silver.

Does NSN 5930-01-074-3918 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5930-01-074-3918 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Fri, Mar 30, 1979