4730-00-990-9792 CROSS,BOSS Index 4730-00-990-9796 TEE,TUBE TO BOSS

National Stock Number:
4730-00-990-9795

Federal Supply Class:
4730

National Item Identification Number:
009909795

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:
AN783C404939LOCKHEED MARTIN CORPORATION
AN783C438597LOCKHEED MARTIN CORPORATION


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL TUBE 2ND END
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
CONNECTION TYPETHREADED INTERNAL BOSS 3RD END
CONNECTION STYLEFLARED (TUBE) 1ST END
CONNECTION STYLEFLARED W/ GASKET SEAL (BOSS) 2ND END
CONNECTION STYLEGASKET SEAL (BOSS) 3RD END
LEG LENGTH1.188 INCHES NOMINAL 2ND END
LEG LENGTH1.750 INCHES NOMINAL 1ST END
LEG LENGTH0.750 INCHES NOMINAL 3RD END
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES 1ST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES 2ND END
NOMINAL THREAD SIZE0.438 INCHES 1ST END BULKHEAD
NOMINAL THREAD SIZE0.438 INCHES ALL ENDS
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSCLEANED IN ACCORDANCE W/ ABMA SPEC ABMA-PD-C-472A /SUPPLEMENT NO. 1/
SEAT ANGLE37.0 DEGREES 1ST END
SEAT ANGLE37.0 DEGREES 2ND END
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A 1ST END
THREAD CLASS3A 1ST END BULKHEAD
THREAD CLASS3A 2ND END
THREAD CLASS3B 3RD END
THREAD SERIES DESIGNATORUNJF 1ST END BULKHEAD
THREAD SERIES DESIGNATORUNJF ALL ENDS


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