4730-01-258-7490 ADAPTER,STRAIGHT,TUBE TO BOSS Index 4730-01-258-7492 ADAPTER,STRAIGHT,TUBE TO BOSS

National Stock Number:
4730-01-258-7491

Federal Supply Class:
4730

National Item Identification Number:
012587491

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:
AS4319K03040U583SAE INTERNATIONAL
AS4319K030481343SOCIETY OF AUTOMOTIVE ENGINEERS INC
KC135C3-422264JOHN F KENNEDY SPACE CENTER
KC135K3-422264JOHN F KENNEDY SPACE CENTER


Techincal Specification:
CONNECTION STYLEFLARED (TUBE) 1ST END
CONNECTION STYLEFLARED W/ GASKET SEAL (BOSS) 2ND END
CONNECTION TYPETHREADED EXTERNAL BOSS 2ND END
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
CRITICALITY CODE JUSTIFICATIONFEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 316 OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.188 INCHES 1ST END
NOMINAL OVERALL LENGTH1.115 INCHES
NOMINAL THREAD SIZE0.250 INCHES 2ND END
NOMINAL THREAD SIZE0.375 INCHES 1ST END
SEAT ANGLE37.0 DEGREES 1ST END
SPECIAL FEATURESKC135C3-4; HEXAGON WRENCHING FLATS DRILLED OR NON-DRILLED FOR LOCKWIRE
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A 1ST END
THREAD CLASS3A 2ND END
THREAD SERIES DESIGNATORUNF 2ND END
THREAD SERIES DESIGNATORUNF 1ST END


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