4820-01-144-5153 VALVE,SAFETY RELIEF Index 5306-01-144-5155 ROD,THREADED END

National Stock Number:
5930-01-144-5154

Federal Supply Class:
5930

National Item Identification Number:
011445154

Description:
SWITCH,PRESSURE

Detail:
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.


Manufacturer Information:
10114626759MELLEY INDUSTRIES INC
D1T-A8089326BARKSDALE INC
DIT-A8089326BARKSDALE INC


Techincal Specification:
BODY LENGTH2.187 INCHES NOMINAL
CONTACT ACTION STIMULUSDECREASE
CONTACT ADJUSTABILITYDEACTUATION POINT ADJUSTABLE AND ACTUATION POINT ADJUSTABLE
CONTACT ADJUSTMENT RANGE+0.50 TO 77.20 ACTUATION POINT POUNDS PER SQUARE INCH AND +3.30 TO 80.00 DEACTUATION POINT POUNDS PER SQUARE INCH
CONTACT ADJUSTMENT TYPEEXTERNAL DEACTUATION POINT SCREW AND EXTERNAL ACTUATION POINT SCREW
CONTACT LOAD CURRENT RATING3.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
CONTACT LOAD CURRENT RATING500.0 MILLIAMPERES RESISTIVE LOAD THIRD VOLTAGE
CONTACT LOAD CURRENT RATING10.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
CONTACT VOLTAGE RATING IN VOLTS250.0 AC AT SEA LEVEL SECOND VOLTAGE
CONTACT VOLTAGE RATING IN VOLTS28.0 DC AT SEA LEVEL THIRD VOLTAGE
CONTACT VOLTAGE RATING IN VOLTS460.0 AC AT SEA LEVEL FIRST VOLTAGE
DISTANCE BETWEEN MOUNTING FACILITY CENTERS2.250 INCHES NOMINAL
FEATURES PROVIDEDHERMETICALLY SEALED CASE
HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTIONWEATHERPROOF
INSIDE DIAMETER0.250 INCHES NOMINAL SINGLE CONNECTION
OVERALL HEIGHT4.562 INCHES NOMINAL
OVERALL LENGTH4.343 INCHES NOMINAL
OVERALL WIDTH3.500 INCHES NOMINAL
MEDIA FOR WHICH DESIGNEDGAS OR LIQUID
MOUNTING FACILITY PATTERNTWO POSITION IN-LINE
MOUNTING METHODBRACKET AND UNTHREADED HOLE
NOMINAL THREAD SIZE0.250 INCHES SINGLE PRESSURE CONNECTION
NONPILE-UP CONTACT ARRANGEMENT1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
PRESSURE SWITCH TYPEGAGE
PRESSURE CONNECTOR TYPEPLAIN, THREADED INTERNAL SINGLE CONNECTION
PROOF PRESSURE160.00 POUNDS PER SQUARE INCH
STYLE DESIGNATORRECTANGULAR W/BRACKET
TERMINAL TYPESCREW
THREAD QUANTITY PER INCH18 SINGLE PRESSURE CONNECTION
THREAD SERIES DESIGNATORNPT SINGLE PRESSURE CONNECTION
UNTHREADED MOUNTING HOLE DIAMETER0.203 INCHES NOMINAL


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