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:
MATERIALALUMINUM ALLOY 518.0 BODY
ALUMINUM ALLOY 518.0 SEAT
SURFACE TREATMENTANODIZE
STYLE DESIGNATORSTRAIGHT THRU
APERTURE DIAMETER0.032 INCHES NOMINAL
FLOW CONTROL DEVICEPOPPET
MAXIMUM OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP275.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPETHREADED INTERNAL BOSS 1ST END
THREADED EXTERNAL BOSS 2ND END
CONNECTION STYLEGASKET SEAL (BOSS) 1ST END
EXTERNAL SEAT FOR GASKET SEAL (BOSS) 2ND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES 1ST END
0.250 INCHES 2ND END
THREAD SERIES DESIGNATORUNJF 1ST END
UNF 2ND END
NOMINAL THREAD SIZE0.437 INCHES 1ST END
0.437 INCHES 2ND END
THREAD QUANTITY PER INCH20 1ST END
THREAD CLASS3B 1ST END
3A 2ND END
THREAD DIRECTIONRIGHT-HAND 1ST END
RIGHT-HAND 2ND END
MOUNTING POSITIONHORIZONTAL OR
VERTICAL
DISK LOADING METHODSPRING
SPECIAL FEATURESTHE END CONNECTION IDENTIFIED ABOVE AS THE SECOND END IS THE VALVE INLET
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE61174
MFR SOURCE CONTROLLING REFERENCEA51H209-3


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