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

Thermostatic Switch

Model / MPN: 21550-3-5-1 | NSN: 5930-00-168-9185
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
5930-00-168-9185
Sold in multiples of
1 EA
DEMIL
NO
Thread Length
0.710 inches single threaded bushing
Hazardous Locations/environmental Protection
Leaktight
Overall Length
2.593 inches
Body Diameter
0.665 inches
Body Length
Between 1.380 inches and 1.620 inches
Tempurature Sensing Element Type
Bulb
Width Across Flats
Between 0.990 inches and 1.010 inches
Mounting Method
Threaded bushing
Features Provided
Hermetically sealed case
Thready Qty Per Inch (tpi)
14 single threaded bushing
Contact Action Stimulus
Increase
Thread Size
0.500 inches single threaded bushing
Nonpile-up Contact Arrangement
1 pole, single throw, normally closed, double break, momentary action
Terminal Type
Connector, receptacle
Contact Load Current Rating
1.0 amperes resistive load single voltage
Contact Adjustability
Deactuation point not adjustable and actuation point not adjustable
Contact Stimulus Rating
28.00 actuation point degrees fahrenheit and 36.00 actuation point degrees fahrenheit and 2.00 differential point degrees fahrenheit and 5.00 differential point degrees fahrenheit
Contact Voltage Rating In Volts
28.0 dc at sea level single voltage
Media For Which Designed
Liquid
Style Designator
Cylindrical w/flange
Thread Series Designator
Npt single threaded bushing

Pricing and Availability

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21550-3-5-1 Cross Reference
  • SM-A-569552-3