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Pressure Switch

Model / MPN: 157C | NSN: 5930-00-545-8960
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
5930-00-545-8960
Sold in multiples of
DEMIL
NO
Thread Class
3b all pressure connection
Hazardous Locations/environmental Protection
Dustproof
Overall Length
3.880 inches
Overall Height
1.990 inches
Overall Width
1.250 inches
Body Length
2.720 inches
Distance Between Mounting Facility Centers
0.880 inches
Pressure Switch Type
Differential
Operating Tempurature Rating
Between -65.0 degrees fahrenheit and 275.0 degrees fahrenheit
Mounting Method
Base
Features Provided
Automatic reset
Thready Qty Per Inch (tpi)
20 all pressure connection
Contact Action Stimulus
Increase
Proof Pressure
4500.00 pounds per square inch
Thread Size
0.4375 inches single pressure connection
Mounting Facility Pattern
Two position in-line
Nonpile-up Contact Arrangement
1 two circuit, double break/double make, permanent jumper with no external terminal, both positions maintained
Sensing Element Burst Pressure
1500.00 pounds per square inch
Terminal Type
Connector, receptacle
Contact Load Current Rating
5.0 amperes resistive load single voltage
Contact Adjustability
Actuation point not adjustable
Contact Stimulus Rating
1250.00 actuation point pounds per square inch and 150.00 differential point pound
Contact Voltage Rating In Volts
30.0 dc at sea level single voltage
Pressure Connector Type
Plain, threaded internal all connections
Media For Which Designed
Liquid
Style Designator
Rectangular
Thread Series Designator
Unf all pressure connection

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157C Cross Reference
  • 157C
  • 668434-1