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 STYLEFLARED (TUBE) FIRST END
CONNECTION STYLEFLARED W/ GASKET SEAL (BOSS) SECOND END
CONNECTION STYLEGASKET SEAL (BOSS) THIRD END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND END
CONNECTION TYPETHREADED INTERNAL BOSS THIRD END
LEG LENGTH0.750 INCHES NOMINAL THIRD END
LEG LENGTH1.188 INCHES NOMINAL SECOND END
LEG LENGTH1.750 INCHES NOMINAL FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END
NOMINAL THREAD SIZE0.438 INCHES ALL ENDS
NOMINAL THREAD SIZE0.438 INCHES FIRST END BULKHEAD
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSCLEANED IN ACCORDANCE W/ ABMA SPEC ABMA-PD-C-472A /SUPPLEMENT NO. 1/
SEAT ANGLE37.0 DEGREES SECOND END
SEAT ANGLE37.0 DEGREES FIRST END
THREAD CLASS3A FIRST END
THREAD CLASS3A FIRST END BULKHEAD
THREAD CLASS3A SECOND END
THREAD CLASS3B THIRD END
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END BULKHEAD


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