2815-00-521-8387 VALVE,POPPET,ENGINE Index 5940-00-521-8391 TERMINAL,LUG

National Stock Number:
4730-00-521-8389

Federal Supply Class:
4730

National Item Identification Number:
005218389

Description:
TEE,TUBE

Detail:
A fitting having three connections with the branch connection fixed at 90 degrees (1.5705 radians) to the run. The connections have machine threads (straight threads other than pipe or hose series) designed to accommodate a tube, or are unthreaded and designed to accommodate a tube. It may have side inlet(s). It is used as a junction at the intersection of a tube or tube fitting.


Manufacturer Information:
AS4304K040U583SAE INTERNATIONAL
AS4304K0481343SOCIETY OF AUTOMOTIVE ENGINEERS INC
KC109C422264JOHN F KENNEDY SPACE CENTER
KC109K422264JOHN F KENNEDY SPACE CENTER


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPETHREADED INTERNAL TUBE THIRD END
CONNECTION STYLEFLARED (TUBE) FIRST END
CONNECTION STYLESWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END THIRD END
LEG LENGTH1.000 INCHES NOMINAL THIRD END
LEG LENGTH0.843 INCHES MINIMUM AND 0.906 INCHES MAXIMUM FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 316 OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES THIRD END
NOMINAL THREAD SIZE0.438 INCHES FIRST END
NOMINAL THREAD SIZE0.438 INCHES THIRD END
SEAT ANGLE37.0 DEGREES FIRST END
SEAT ANGLE39.5 DEGREES THIRD END
SPECIAL FEATURESMACHINED GROOVE IN FLARED ENDS TO ACCOMMODATE SEAL RINGS PER KC103
SURFACE TREATMENTPASSIVATE INSIDE
SURFACE TREATMENTPASSIVATE OUTSIDE
THREAD CLASS3A FIRST END
THREAD CLASS3B THIRD END
THREAD SERIES DESIGNATORUNF FIRST END
THREAD SERIES DESIGNATORUNF THIRD END


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