KWS412

View detailed technical data, stock status, and sourcing information for: KWS412
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5930 Switches

National Stock Number

5930-00-249-4521

Item Name Code

00451

Assigment Date

01/01/1963 (63 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).

3.375 inches nominal body length, 2.391 inches nominal overall height, 1.844 inches nominal overall width, 1.375 inches nominal bulb length, 25.000 inches nominal capillary tube length

Product Characteristics

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

Overall Height: 2.391 inches nominal
Overall Width: 1.844 inches nominal
Body Length: 3.375 inches nominal
Capillary Tube Length: 25.000 inches nominal
Bulb Length: 1.375 inches nominal
Bulb Diameter: 0.375 inches nominal
Temp Sensing Element Type: capillary tube-bulb
Mounting Method: bracket
Contact Action Stimulus: increase
Nonpile-Up Contact Arrangement: 1 pole, single throw, normally open, momentary action
Terminal Type: screw
Contact Load Current Rating: 3.2 amperes resistive load third voltage
Contact Load Current Rating: 3.7 amperes resistive load first voltage
Contact Load Current Rating: 7.4 amperes resistive load second voltage
Contact Adjustability: actuation point adjustable
Contact Adjustment Range: +0.00 to 52.00 actuation point degrees fahrenheit
Contact Adjustment Type: external actuation point knob
Contact Voltage Rating In Volts: 115.0 ac at sea level second voltage
Contact Voltage Rating In Volts: 115.0 dc at sea level third voltage
Contact Voltage Rating In Volts: 230.0 ac at sea level first voltage
Special Features: 5.1 amp overload coil

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5930-00-572-2449	No Name Available	01/01/1960

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
KWS412	Thermostatic Switch

FAQs

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

What is the FSCG of the NSN 5930-00-249-4521?

The FSCG of the NSN 5930-00-249-4521 is 5930

Does the NSN 5930-00-249-4521 have a Schedule B code assigned?

Yes, the Schedule B code is 9032100000

Does NSN 5930-00-249-4521 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 5930-00-249-4521 contain precious materials?

Item does not contain precious metal.

Does NSN 5930-00-249-4521 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 5930-00-249-4521 was assigned to the Federal Catalog?

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