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 TYPETHREADED EXTERNAL TUBE 2ND END
CONNECTION TYPETHREADED EXTERNAL TUBE 3RD END
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
CONNECTION STYLEFLARELESS 1ST END
CONNECTION STYLEFLARELESS 2ND END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 304 OVERALL
MAXIMUM OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MOUNTING FACILITYBULKHEAD
MOUNTING POSITIONHORIZONTAL
NOMINAL THREAD SIZE0.875 INCHES 1ST END
NOMINAL THREAD SIZE0.875 INCHES 2ND END
SEAT ANGLE12.0 DEGREES 1ST END
SEAT ANGLE12.0 DEGREES 2ND END
SPECIAL FEATURESDESIGNED FOR HYDRAULIC FLUID
STYLE DESIGNATORTEE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONSS-8435,UNITED AIRCRAFT CORP,SIKORSKY AIRCRAFT MFR REF SINGLE TREATMENT RESPONSE
SURFACE TREATMENTPASSIVATE
THREAD CLASS3A 1ST END
THREAD CLASS3A 2ND END
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD DIRECTIONRIGHT-HAND 2ND END
THREAD SERIES DESIGNATORUNJF 2ND END
THREAD SERIES DESIGNATORUNJF 1ST END
VALVE OPERATION METHODAUTOMATIC


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