J7-270

Pressure Switch

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.

4.906 inches nominal overall height, 0.250 inches nominal single connection inside diameter, 3.188 inches nominal overall length, general purpose-nema type 1 hazardous locations/environmental protection, 1.562 inches nominal overall width

Basic Details

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NSN

5930-01-162-4065

NIIN

01-162-4065

Item Name

Pressure Switch

Part Number

J7-270

Active

Federal Supply Class

5930 - Switches

Federal Supply Group

Electrical and Electronic Equipment Components

Assigment Date

09/17/1983 (43 years ago)

Item Name Code

00206

Technical Specifications

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Inside Diameter: 0.250 inches nominal single connection
Hazardous Locations/Environmental Protection: general purpose-nema type 1
Overall Length: 3.188 inches nominal
Overall Height: 4.906 inches nominal
Overall Width: 1.562 inches nominal
Body Height: 2.750 inches nominal
Unthreaded Mounting Hole Diameter: 0.190 inches nominal
Distance Between Mounting Facility Centers: 2.562 inches nominal
End Item Identification: radar and communications signal simulator station an/ssq-74
Pressure Switch Type: gage
Mounting Method: unthreaded hole
Features Provided: electrical access port
Thread Quantity Per Inch: 18 single pressure connection
Contact Action Stimulus: increase
Proof Pressure: 250.00 pounds per square inch
Nominal Thread Size: 0.250 inches single pressure connection
Mounting Facility Pattern: two position in-line
Nonpile-Up Contact Arrangement: 1 pole, double throw, one position momentary
Terminal Type: screw
Contact Load Current Rating: 15.0 amperes resistive load first voltage
Contact Load Current Rating: 15.0 amperes resistive load second voltage
Contact Adjustability: deactuation point adjustable and actuation point adjustable
Contact Adjustment Range: +0.00 to 200.00 actuation point pounds per square inch and +0.00 to 200.00 deactuation point pounds per square inch
Contact Adjustment Type: internal deactuation point hex nut and internal actuation point hex nut
Contact Stimulus Rating: 4.00 differential point nominal pounds per square inch
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
Pressure Connector Type: plain, threaded internal single connection
Media For Which Designed: gas or liquid
Style Designator: rectangular w/bracket
Thread Series Designator: npt single pressure connection

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Cross Referenced Parts

Our Cross-Referenced Parts section helps you quickly locate compatible or equivalent aerospace electrical components for: J7-270

Part Number	CAGE	Manufacturer	RNCC	RNVC	RNAAC
J6-270-9568	88234	United Electric Controls Company	3	2	ZZ
J7-270	88234	United Electric Controls Company	5	9	TX
J7-270-9568	88234	United Electric Controls Company	5	9	ZZ
J7-9705	88234	United Electric Controls Company	C	1	ZZ

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