4730-01-337-7955 COUPLING,PIPE Index 4730-01-337-7957 COUPLING,TUBE

National Stock Number:
4730-01-337-7956

Federal Supply Class:
4730

National Item Identification Number:
013377956

Description:
COUPLING,TUBE

Detail:
A straight fitting 12 inches (304 mm) long or under having the same or different type of connection of the same size on both ends. It is designed to join a tube or tube fitting to another tube or tube fitting. Excludes fittings with threaded external connections on both ends. Excludes NIPPLE, PIPE.


Manufacturer Information:
2621-561-0296169ELECTRIC BOAT CORPORATION
2621-561-02 PIECE 7496169ELECTRIC BOAT CORPORATION


Techincal Specification:
CONNECTION STYLEGASKET SEAL (BOSS) INLET
CONNECTION STYLEPLAIN (TUBE) SECOND END
CONNECTION STYLEPLAIN (TUBE) FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND END
CONNECTION TYPETHREADED INTERNAL BOSS INLET
CONNECTION TYPETHREADED INTERNAL TUBE FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY-D5,TYIII FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY OVERALL
MAXIMUM OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED3.000 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED3.000 INCHES SECOND END
NOMINAL OVERALL LENGTH2.690 INCHES
NOMINAL THREAD SIZE0.438 INCHES INLET
NOMINAL THREAD SIZE3.500 INCHES FIRST END
NOMINAL THREAD SIZE3.500 INCHES SECOND END
REDUCED PASSAGE NOMINAL INSIDE DIAMETER2.181 INCHES SECOND END
STYLE DESIGNATORRIGID, THREADED INTERNAL AND EXTERNAL
THREAD CLASS2A FIRST END
THREAD CLASS2A SECOND END
THREAD CLASS2B INLET
THREAD QUANTITY PER INCH10 SECOND END
THREAD QUANTITY PER INCH12 FIRST END
THREAD SERIES DESIGNATORUN FIRST END
THREAD SERIES DESIGNATORUNF INLET
THREAD SERIES DESIGNATORUNS SECOND END


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