5120-00-438-0630 SOCKET,SOCKET WRENCH Index 4820-00-438-0633 VALVE,AIR PRESSURE

National Stock Number:
4820-00-438-0631

Federal Supply Class:
4820

National Item Identification Number:
004380631

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:
4C2240-199240CRISSAIR INC
A51H9065-126512NORTHROP GRUMMAN SYSTEMS CORPORATION
A51H9065-161174NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND ENDEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
CONNECTION STYLEFLARELESS FIRST ENDFLARELESS FIRST END
CONNECTION TYPETHREADED EXTERNAL BOSS SECOND ENDTHREADED EXTERNAL BOSS SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST ENDTHREADED EXTERNAL TUBE FIRST END
DISK LOADING METHODSPRINGSPRING
FLOW CONTROL DEVICEPOPPETPOPPET
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALSTEEL COMP 440C FLOW CONTROL DEVICE
MATERIALSTEEL COMP 440C FLOW CONTROL DEVICESTEEL COMP 630 SEAT
MATERIALSTEEL COMP 630 SEATSTEEL COMP 630 BODY
MAXIMUM OPERATING TEMP275.0 FAHRENHEIT SINGLE RESPONSE275.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID, SILICATE-ESTER BASE SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL OR HORIZONTAL OR VERTICALVERTICAL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.125 INCHES SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.125 INCHES SECOND END0.250 INCHES FIRST END
NOMINAL THREAD SIZE0.437 INCHES FIRST END0.437 INCHES FIRST END
NOMINAL THREAD SIZE0.312 INCHES SECOND END0.312 INCHES SECOND END
SEAT ANGLE12.0 DEGREES FIRST END
VALVE OPERATION METHODAUTOMATICAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTPASSIVATE
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 DESIGNATORUNIFIED NATIONAL JOINT (UNJ) SECOND END
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT (UNJ) SECOND ENDUNF FIRST END
THREAD QUANTITY PER INCH20 FIRST END20 FIRST END
THREAD QUANTITY PER INCH20 SECOND END20 SECOND END


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