4820-00-461-3753 VALVE,CHECK Index 4320-00-461-3756 PUMP,PRESSURE

National Stock Number:
4820-00-461-3754

Federal Supply Class:
4820

National Item Identification Number:
004613754

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:
SS50-919L14C78286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
CONNECTION STYLEFLARED (TUBE) SECOND ENDFLARED (TUBE) SECOND END
CONNECTION STYLEFLARED (TUBE) FIRST ENDFLARED (TUBE) FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND ENDTHREADED EXTERNAL TUBE SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST ENDTHREADED EXTERNAL TUBE FIRST END
FLOW CONTROL DEVICEDISKDISK
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CLASS 304 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 304 OVERALL
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL OR HORIZONTAL OR VERTICALVERTICAL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES SECOND END0.625 INCHES FIRST END
NOMINAL THREAD SIZE0.562 INCHES SECOND END0.562 INCHES SECOND END
NOMINAL THREAD SIZE0.875 INCHES FIRST END0.875 INCHES FIRST END
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
SEAT ANGLE37.0 DEGREES SECOND END
SEAT ANGLE37.0 DEGREES SECOND END37.0 DEGREES FIRST END
VALVE OPERATION METHODAUTOMATICAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
THREAD CLASS3A FIRST END3A FIRST END
THREAD CLASS3A SECOND END3A SECOND END
THREAD DIRECTIONRIGHT-HAND FIRST ENDRIGHT-HAND FIRST END
THREAD DIRECTIONRIGHT-HAND SECOND ENDRIGHT-HAND SECOND END
THREAD SERIES DESIGNATORUNF SECOND END
THREAD SERIES DESIGNATORUNF SECOND ENDUNF FIRST END


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