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

Thermostatic Switch

Model / MPN: 21490-1 | NSN: 5930-00-055-9232
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
5930-00-055-9232
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
2a single threaded bushing
Thread Length
0.784 inches single threaded bushing
Overall Length
2.783 inches
Body Diameter
0.660 inches
Body Length
1.745 inches
Tempurature Sensing Element Type
Bulb
Width Across Flats
0.479 inches
Operating Tempurature Rating
Between -40.0 degrees fahrenheit and 185.0 degrees fahrenheit
Mounting Method
Threaded bushing
Features Provided
Hermetically sealed case
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
2.0 amperes resistive load first voltage
Contact Load Current Rating
4.0 amperes resistive load second voltage
Contact Load Current Rating
6.0 amperes resistive load fourth voltage
Contact Load Current Rating
6.0 amperes resistive load third voltage
Contact Adjustability
Deactuation point not adjustable and actuation point not adjustable
Contact Stimulus Rating
24.00 actuation point degrees fahrenheit and 15.00 deactuation point degrees fahrenheit
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 fourth voltage
Contact Voltage Rating In Volts
30.0 ac at sea level third voltage
Frequency In Hertz
60.0 first voltage
Frequency In Hertz
60.0 second voltage
Frequency In Hertz
60.0 third voltage
Media For Which Designed
Gas
Style Designator
Cylindrical w/flange
Thread Series Designator
Unf single threaded bushing

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21490-1 Cross Reference
  • 10105980-1