4820-00-485-7839 BALL,VALVE REGULATING Index 5935-00-485-7849 CONNECTOR BODY,RECEPTACLE,ELECTR

National Stock Number:
4820-00-485-7841

Federal Supply Class:
4820

National Item Identification Number:
004857841

Description:
VALVE,RESTRICTOR CHECK

Detail:
A VALVE HAVING AN ORIFICE IN THE POPPET, DISK, OR THE LIKE, TO PERMIT RESTRICTED FLUID FLOW WHEN THE VALVE IS SEATED. IT DOES NOT HAVE A STEM OR PROVISIONS FOR PRESSURE ADJUSTMENTS, AND IS SIMILAR TO A VALVE, CHECK WITH THE EXCEPTION OF THE ORIFICE WHICH PERMITS FLUID FLOW IN MORE THAN ONE DIRECTION.


Manufacturer Information:
4613099643EATON AEROSPACE LLC
A51H209-326512NORTHROP GRUMMAN SYSTEMS CORPORATION
A51H9209-326512NORTHROP GRUMMAN SYSTEMS CORPORATION
A51H209-361174NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
APERTURE DIAMETER0.032 INCHES NOMINAL
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
CONNECTION STYLEGASKET SEAL (BOSS) FIRST END
CONNECTION TYPETHREADED EXTERNAL BOSS SECOND END
CONNECTION TYPETHREADED INTERNAL BOSS FIRST END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALALUMINUM ALLOY 518.0 BODY
MATERIALALUMINUM ALLOY 518.0 SEAT
MAXIMUM OPERATING TEMP275.0 FAHRENHEIT SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END
NOMINAL THREAD SIZE0.437 INCHES FIRST END
NOMINAL THREAD SIZE0.437 INCHES SECOND END
SPECIAL FEATURESTHE END CONNECTION IDENTIFIED ABOVE AS THE SECOND END IS THE VALVE INLET
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
SURFACE TREATMENTANODIZE
THREAD CLASS3A SECOND END
THREAD CLASS3B FIRST END
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD DIRECTIONRIGHT-HAND SECOND END
THREAD SERIES DESIGNATORUNF SECOND END
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END
THREAD QUANTITY PER INCH20 FIRST END


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