4820-00-574-5641 VALVE,RESTRICTOR CHECK Index 4730-00-574-5646 COUPLING,BOSS

National Stock Number:
4820-00-574-5643

Federal Supply Class:
4820

National Item Identification Number:
005745643

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:
6125-406177PNEUDRAULICS, INC.
A51H9221-326512NORTHROP GRUMMAN SYSTEMS CORPORATION
A51H9221-361174NORTHROP GRUMMAN SYSTEMS CORPORATION
A51H9221-379RG9NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
TEST DATA DOCUMENT26512-A51DCVBH027 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE79RG9
MFR SOURCE CONTROLLING REFERENCEA51H9221-3
MATERIALALUMINUM ALLOY OVERALL
STYLE DESIGNATORSTRAIGHT THRU
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDOIL, HYDRAULIC SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH 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 ACCOMMODATED0.375 INCHES 1ST END
THREAD SERIES DESIGNATORUNJF 1ST END
NOMINAL THREAD SIZE0.562 INCHES 1ST END
THREAD QUANTITY PER INCH18 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


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