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:
MATERIALCOPPER ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY-D5,TYIII FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MAXIMUM OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
STYLE DESIGNATORRIGID, THREADED INTERNAL AND EXTERNAL
CONNECTION TYPETHREADED INTERNAL TUBE 1ST END
THREADED EXTERNAL TUBE 2ND END
THREADED INTERNAL BOSS INLET
CONNECTION STYLEPLAIN (TUBE) 1ST END
PLAIN (TUBE) 2ND END
GASKET SEAL (BOSS) INLET
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED3.000 INCHES 1ST END
3.000 INCHES 2ND END
THREAD SERIES DESIGNATORUN 1ST END
UNS 2ND END
UNF INLET
NOMINAL THREAD SIZE3.500 INCHES 1ST END
3.500 INCHES 2ND END
0.438 INCHES INLET
THREAD QUANTITY PER INCH12 1ST END
10 2ND END
THREAD CLASS2A 1ST END
2A 2ND END
2B INLET
REDUCED PASSAGE NOMINAL INSIDE DIAMETER2.181 INCHES 2ND END
NOMINAL OVERALL LENGTH2.690 INCHES


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