1560-00-806-5519 BELL CRANK Index 1680-00-806-5521 BELL CRANK

National Stock Number:
4730-00-806-5520

Federal Supply Class:
4730

National Item Identification Number:
008065520

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:
AS219100U583SAE INTERNATIONAL
AS2191081343SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS21910-J60U583SAE INTERNATIONAL
AS21910-J681343SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS21910-6C96906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS21910C696906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS21910J60U583SAE INTERNATIONAL
SAE-AS182800U583SAE INTERNATIONAL
MS21910J681343SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS21910J696906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL BOSS SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPETHREADED INTERNAL BOSS THIRD END
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
CONNECTION STYLEFLARELESS (TUBE) FIRST END
CONNECTION STYLEGASKET SEAL (BOSS) THIRD END
LEG LENGTH1.156 INCHES NOMINAL SECOND END
LEG LENGTH1.891 INCHES NOMINAL FIRST END
LEG LENGTH0.812 INCHES NOMINAL THIRD END
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES FIRST END
NOMINAL THREAD SIZE0.562 INCHES FIRST END BULKHEAD
NOMINAL THREAD SIZE0.562 INCHES ALL ENDS
SEAT ANGLE12.0 DEGREES FIRST END
SPECIFICATION/STANDARD DATA96906-MS21910 GOVERNMENT STANDARD
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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