3120-01-056-2212 BEARING,SLEEVE Index 4820-01-056-2214 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-056-2213

Federal Supply Class:
4820

National Item Identification Number:
010562213

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:
SS70-912N10J78286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
CONNECTION STYLEFLARELESS SECOND END
CONNECTION STYLEFLARELESS FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE THIRD END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 304 OVERALL
MOUNTING FACILITYBULKHEAD
MOUNTING POSITIONHORIZONTAL
NOMINAL THREAD SIZE0.875 INCHES FIRST END
NOMINAL THREAD SIZE0.875 INCHES SECOND END
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
SEAT ANGLE12.0 DEGREES FIRST END
SEAT ANGLE12.0 DEGREES SECOND END
SPECIAL FEATURESDESIGNED FOR HYDRAULIC FLUID
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORTEE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONSS-8435,UNITED AIRCRAFT CORP,SIKORSKY AIRCRAFT MFR REF SINGLE TREATMENT RESPONSE
SURFACE TREATMENTPASSIVATE
THREAD CLASS3A FIRST END
THREAD CLASS3A SECOND END
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD DIRECTIONRIGHT-HAND SECOND END
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) SECOND END


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