5945-01-226-6020 RETAINER,ELECTRICAL RELAY Index 6210-01-226-6022 CONTROL,ELECTRIC LIGHT

National Stock Number:
4820-01-226-6021

Federal Supply Class:
4820

National Item Identification Number:
012266021

Description:
VALVE,VACUUM BREAKING

Detail:
AN ITEM DESIGNED TO AUTOMATICALLY RELIEVE VACUUM, BY THE INTAKE OF AIR, WHEN THE INTERNAL PRESSURE FALLS BELOW ATMOSPHERIC PRESSURE. SEE ALSO VALVE, VACUUM REGULATING.


Manufacturer Information:
8279-02-53379227WATTS REGULATOR CO
NF879227WATTS REGULATOR CO


Techincal Specification:
END CONNECTION QUANTITY2
BODY STYLESINGLE CONNECTION, STRAIGHT FLOW
FIRST END CONNECTION TYPETHREADED INTERNAL HOSE
FIRST END STYLE DESIGNATORPLAIN
FIRST END INSIDE DIAMETER HOSE ACCOMMODATED0.750 INCHES NOMINAL
FIRST END THREAD DIRECTIONRIGHT-HAND
FLOW CONTROL DEVICEDISK, CIRCULAR
MATERIALCOPPER ALLOY BODY
MATERIALRUBBER SEAT
MATERIALRUBBER FLOW CONTROL DEVICE
MATERIALSTEEL CORROSION RESISTING STEM
MEDIA FOR WHICH DESIGNEDWATER, FRESH
SECOND END CONNECTION TYPETHREADED EXTERNAL HOSE
SECOND END STYLE DESIGNATORPLAIN
SECOND END THREAD DIRECTIONRIGHT-HAND
SECOND END OUTSIDE DIAMETER HOSE ACCOMMODATED0.750 INCHES NOMINAL
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
SPECIAL FEATURESPERMITS MANUAL DRAINING FOR FREEZING CONDITIONS
TEMP ADJUSTABILITYNOT ADJUSTABLE


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