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NationalStockNumber.INFO

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

Thermostatic Switch

Model / MPN: 21557-4-1-1 | NSN: 5930-00-764-2906
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
5930-00-764-2906
Sold in multiples of
EA
DEMIL
NO
Thread Length
0.390 inches single threaded bushing
Overall Length
3.120 inches
Body Diameter
0.290 inches
Body Length
2.000 inches
Tempurature Sensing Element Type
Internal sensor
Width Across Flats
0.750 inches
Mounting Method
Threaded bushing
Features Provided
Tamper proof cap
Thready Qty Per Inch (tpi)
27 single threaded bushing
Contact Action Stimulus
Increase
Thread Size
0.125 inches single threaded bushing
Nonpile-up Contact Arrangement
1 pole, single throw, normally closed, momentary action
Terminal Type
Connector, receptacle
Contact Load Current Rating
1.0 amperes resistive load first voltage
Contact Load Current Rating
1.0 amperes resistive load second voltage
Contact Adjustability
Deactuation point not adjustable and actuation point not adjustable
Contact Stimulus Rating
85.00 actuation point degrees celsius and 80.00 deactuation point degrees celsius and 5.00 differential point degrees celsius
Contact Voltage Rating In Volts
115.0 ac at sea level first voltage
Contact Voltage Rating In Volts
30.0 dc at sea level second voltage
Media For Which Designed
Gas or liquid
Style Designator
Cylindrical w/flange
Thread Series Designator
Npt single threaded bushing
215574 Series Parts

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21557-4-1-1 Cross Reference
  • 721856-45