4730-01-137-1638 ELBOW,TUBE Index 4720-01-137-1640 HOSE ASSEMBLY,NONMETALLIC

National Stock Number:
4730-01-137-1639

Federal Supply Class:
4730

National Item Identification Number:
011371639

Description:
TEE,TUBE TO BOSS

Detail:
A FITTING HAVING THREE CONNECTIONS WITH THE BRANCH CONNECTION FIXED AT 90 DEGREES (1.5705 RADIANS) TO THE RUN. THE TUBE CONNECTION(S) HAS MACHINE THREADS (STRAIGHT THREADS OTHER THAN PIPE OR HOSE SERIES) DESIGNED TO ACCOMMODATE A TUBE, OR IS UNTHREADED AND DESIGNED TO ACCOMMODATE A TUBE. THE BOSS CONNECTION(S) 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 MAY HAVE SIDE INLET(S). IT IS USED AS A JUNCTION AT THE INTERSECTION OF A TUBE OR FITTING AND A BOSS OR BOSS FITTING ON ITEMS SUCH AS A TANK, HOUSING, VALVE FITTING, OR THE LIKE. SEE ALSO TEE, TUBE; AND TEE, PIPE TO TUBE. EXCLUDES CONNECTOR, MULTIPLE, FLUID PRESSURE LINE.


Manufacturer Information:
AS10330U583SAE INTERNATIONAL
AS103381343SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS1033-0403030U583SAE INTERNATIONAL
AS48410U583SAE INTERNATIONAL
AS484181343SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS1033-04030381343SOCIETY OF AUTOMOTIVE ENGINEERS INC
SAE-AS48410U583SAE INTERNATIONAL


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL BOSS 3RD END
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
CONNECTION STYLEFLARED (TUBE) 1ST END
CONNECTION STYLEFLARED (TUBE) 2ND END
CONNECTION STYLEFLARED W/ GASKET SEAL (BOSS) 3RD END
LEG LENGTH1.601 INCHES NOMINAL 1ST END
LEG LENGTH0.851 INCHES NOMINAL 2ND END
LEG LENGTH0.851 INCHES NOMINAL 3RD END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1137 OR STEEL COMP 1141 OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.188 INCHES 2ND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES 1ST END
NOMINAL THREAD SIZE0.375 INCHES 2ND END
NOMINAL THREAD SIZE0.375 INCHES 3RD END
NOMINAL THREAD SIZE0.438 INCHES 1ST END
NOMINAL THREAD SIZE0.438 INCHES 1ST END BULKHEAD
SEAT ANGLE37.0 DEGREES 1ST END
SEAT ANGLE37.0 DEGREES 2ND END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE II, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A 1ST END BULKHEAD
THREAD CLASS3A ALL ENDS
THREAD SERIES DESIGNATORUNJF 1ST END BULKHEAD
THREAD SERIES DESIGNATORUNJF ALL ENDS


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