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NationalStockNumber.INFO

Worldwide distributor of NSN parts and consumables located in the USA.

Thermostatic Switch

Model / MPN: 21490-4 | NSN: 5930-00-055-9229
ITAR Registered seal

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).

Product Details
NATO Stock Number
5930-00-055-9229
Sold in multiples of
DEMIL
NO
Thread Class
2a single threaded bushing
Thread Length
0.875 inches single threaded bushing
Overall Length
2.783 inches
Body Diameter
0.660 inches
Body Length
2.529 inches
Width Across Flats
Between 0.173 inches and 0.203 inches
Operating Tempurature Rating
Between -40.0 degrees fahrenheit and 185.0 degrees fahrenheit
Mounting Method
Threaded bushing
Thready Qty Per Inch (tpi)
14 single threaded bushing
Contact Action Stimulus
Increase
Thread Size
0.875 inches single threaded bushing
Nonpile-up Contact Arrangement
1 pole, single throw, normally open, momentary action
Terminal Type
Connector, receptacle
Contact Load Current Rating
2.5 amperes resistive load first voltage
Contact Load Current Rating
5.0 amperes resistive load second voltage
Contact Load Current Rating
6.5 amperes resistive load third voltage
Contact Adjustability
Deactuation point adjustable, preset and actuation point adjustable, preset
Contact Voltage Rating In Volts
125.0 ac at sea level second voltage
Contact Voltage Rating In Volts
250.0 ac at sea level first voltage
Contact Voltage Rating In Volts
30.0 dc at sea level third voltage
Thread Series Designator
Unf single threaded bushing
21490 Series Parts

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21490-4 Cross Reference
  • 10105980-4