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Pressure Switch

Model / MPN: 250F129-5 | NSN: 5930-01-079-9608
ITAR Registered seal

A switch which is actuated by changes in pressure of any gas or liquid or by changes in a vacuum acting upon its sensing element. Excludes baroswitch; switch, pressure-thermostatic; and switch, sensitive.

Product Details
NATO Stock Number
5930-01-079-9608
Sold in multiples of
1 EA
DEMIL
DEMIL/MLI
Thread Class
3a single pressure connection
Thread Length
0.758 inches single pressure connection
Overall Length
2.935 inches
Outside Diameter
0.875 inches single connection
Overall Height
2.750 inches
Body Diameter
2.370 inches
Body Height
1.492 inches
Pressure Switch Type
Differential
Operating Tempurature Rating
Between 32.0 degrees fahrenheit and 180.0 degrees fahrenheit
Mounting Method
Inlet connection and terminal
Thready Qty Per Inch (tpi)
14 single pressure connection
Contact Action Stimulus
Increase
Proof Pressure
150.00 pounds per square inch gage
Thread Size
0.875 inches single pressure connection
Nonpile-up Contact Arrangement
1 pole, double throw, one position momentary
Terminal Type
Connector, receptacle
Contact Load Current Rating
25.0 milliamperes inductive load first voltage
Contact Load Current Rating
50.0 milliamperes inductive load second voltage
Contact Adjustability
Deactuation point adjustable, preset and actuation point adjustable, preset
Contact Adjustment Range
+20.00/+150.00 actuation point pounds per square inch gage and +20.00/+150.00 deactuation point pounds per square inch gage
Contact Adjustment Type
Internal deactuation point screw and internal actuation point screw
Contact Stimulus Rating
0.40 actuation point gallons per minute and 0.30 deactuation point gallons per minute
Contact Voltage Rating In Volts
115.0 dc at sea level first voltage
Contact Voltage Rating In Volts
50.0 dc at sea level second voltage
Pressure Connector Type
Flared, threaded external single connection
Media For Which Designed
Liquid
Style Designator
Cylindrical
Thread Series Designator
Unjf single pressure connection
250F129 Series Parts

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250F129-5 Cross Reference
  • 5347518-5
  • 1204868-5