4820-01-305-2010 VALVE,CHECK Index 4820-01-305-2012 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-305-2011

Federal Supply Class:
4820

National Item Identification Number:
013052011

Description:
VALVE,CHECK

Detail:
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.


Manufacturer Information:
1C182699240CRISSAIR INC
SS70-911N-16J78286SIKORSKY AIRCRAFT CORPORATION
SS70-911N-16J92003PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS
SS70-911N-16J99240CRISSAIR INC


Techincal Specification:
CONNECTION STYLEFLARELESS SECOND END
CONNECTION STYLEFLARELESS FIRST END
CONNECTION STYLEGASKET SEAL (BOSS) THIRD END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND END
CONNECTION TYPETHREADED INTERNAL TUBE THIRD END
FLOW CONTROL DEVICEDISK OR POPPET
MATERIALSTEEL CORROSION RESISTING BODY
MOUNTING POSITIONVERTICAL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.000 INCHES THIRD END
NOMINAL THREAD SIZE1.312 INCHES FIRST END
NOMINAL THREAD SIZE1.312 INCHES SECOND END
NOMINAL THREAD SIZE1.312 INCHES THIRD END
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
SEAT ANGLE45.0 DEGREES FIRST END
SEAT ANGLE45.0 DEGREES SECOND END
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE
THREAD CLASS3A FIRST END
THREAD CLASS3A SECOND END
THREAD CLASS3B THIRD END
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD DIRECTIONRIGHT-HAND SECOND END
THREAD DIRECTIONRIGHT-HAND THIRD END
THREAD QUANTITY PER INCH12 FIRST END
THREAD QUANTITY PER INCH12 SECOND END
THREAD QUANTITY PER INCH12 THIRD END
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT (UNJ) FIRST END
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT (UNJ) SECOND END
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT (UNJ) THIRD END


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