20ESR-250X4

View detailed technical data, stock status, and sourcing information for: 20ESR-250X4
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5930 Switches

National Stock Number

5930-00-364-7569

Item Name Code

00451

Assigment Date

01/01/1963 (63 years ago)

1.750 inches nominal bulb length, 96.0 inches nominal capillary tube length, 2.000 inches nominal overall height, 2.281 inches nominal overall length, 2.312 inches nominal overall width

Product Characteristics

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

Overall Length: 2.281 inches nominal
Overall Height: 2.000 inches nominal
Overall Width: 2.312 inches nominal
Capillary Tube Length: 96.0 inches nominal
Bulb Length: 1.750 inches nominal
Bulb Diameter: 0.688 inches nominal
Temp Sensing Element Type: capillary tube-bulb
Operating Temp Rating: -540.0 fahrenheit minimum and 260.0 fahrenheit maximum
Mounting Method: bracket and threaded stud
Thread Quantity Per Inch: 24 single threaded hole
Contact Action Stimulus: increase
Nominal Thread Size: 0.531 inches single threaded hole
Nonpile-Up Contact Arrangement: 1 pole, double throw, one position momentary
Terminal Type: wire lead
Contact Load Current Rating: 3.3 amperes resistive load third voltage
Contact Load Current Rating: 6.5 amperes resistive load fourth voltage
Contact Load Current Rating: 10.0 amperes resistive load first voltage
Contact Load Current Rating: 15.0 amperes resistive load second voltage
Contact Adjustability: deactuation point adjustable and actuation point adjustable
Contact Adjustment Range: +180.00 to 220.00 actuation point degrees fahrenheit and +175.00 to 215.00 deactuation point degrees fahrenheit
Contact Adjustment Type: external deactuation point knob and external actuation point knob
Contact Voltage Rating In Volts: 110.0 ac at sea level second voltage
Contact Voltage Rating In Volts: 115.0 dc at sea level fourth voltage
Contact Voltage Rating In Volts: 220.0 ac at sea level first voltage
Contact Voltage Rating In Volts: 230.0 dc at sea level third voltage
Media For Which Designed: gas
Style Designator: rectangular
Thread Series Designator: uns single threaded hole

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5930-00-808-6294	No Name Available	02/01/1980
6620-01-144-5801	No Name Available	06/01/1992

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
20-ERS-250X4	Thermostatic Switch
20-ESR-3	Thermostatic Switch
20ESR-250X4	Thermostatic Switch
260BT01	Thermostatic Switch
HGE0008	Thermostatic Switch
I0ESR	Thermostatic Switch

FAQs

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

What is the FSCG of the NSN 5930-00-364-7569?

The FSCG of the NSN 5930-00-364-7569 is 5930

Does the NSN 5930-00-364-7569 have a Schedule B code assigned?

Yes, the Schedule B code is 9032100000

Does NSN 5930-00-364-7569 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 5930-00-364-7569 contain precious materials?

Item does not contain precious metal.

Does NSN 5930-00-364-7569 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 5930-00-364-7569 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963