4730-00-198-6778 FITTING,TUBE Index 4730-00-198-6783 ADAPTER,STRAIGHT,TUBE TO BOSS

National Stock Number:
4730-00-198-6780

Federal Supply Class:
4730

National Item Identification Number:
001986780

Description:
ADAPTER,STRAIGHT,TUBE TO BOSS

Detail:
An adapter having machine threads (straight threads other than pipe or hose series) designed to accommodate a tube on one end or an unthreaded end designed to accommodate a tube. The other end has external or internal machine threads (straight threads other than pipe or hose series) and is designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. It is designed to join a tube or tube fitting to a boss or boss fitting in a straight line on items such as tanks, housings, valve fittings, and the like. See also COUPLING, TUBE and NIPPLE, TUBE.


Manufacturer Information:
R544-870026CHICAGO FITTINGS


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL BOSS SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
CONNECTION STYLEINVERTED FLARE (TUBE) FIRST END
FURNISHED ITEMS AND QUANTITY1 PREFORMED PACKING AND 1 TUBE COUPLING NUT
MATERIALSTEEL OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.675 INCHES FIRST END
NOMINAL OVERALL LENGTH1.281 INCHES
NOMINAL THREAD SIZE0.750 INCHES SECOND END
NOMINAL THREAD SIZE0.875 INCHES FIRST END
SEAT ANGLE30.0 DEGREES FIRST END
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS2A FIRST END
THREAD CLASS3A SECOND END
THREAD SERIES DESIGNATORUNF SECOND END
THREAD SERIES DESIGNATORUNS FIRST END
THREAD QUANTITY PER INCH18 FIRST END


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