4820-00-143-9108 VALVE,SAFETY RELIEF Index 4720-00-143-9111 HOSE ASSEMBLY,NONMETALLIC

National Stock Number:
4730-00-143-9110

Federal Supply Class:
4730

National Item Identification Number:
001439110

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:
S6165-2053978286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
CONNECTION STYLEFLARED (TUBE) 1ST END
CONNECTION STYLEGASKET SEAL (BOSS) 2ND END
CONNECTION STYLEGASKET SEAL (BOSS) 3RD END
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END BULKHEAD
CONNECTION TYPETHREADED INTERNAL BOSS 2ND END
CONNECTION TYPETHREADED INTERNAL BOSS 3RD END
LEG LENGTH0.750 INCHES NOMINAL 2ND END
LEG LENGTH1.047 INCHES NOMINAL 1ST END
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-A-22771,T73 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 7075 OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES 1ST END
NOMINAL THREAD SIZE0.438 INCHES 1ST END
NOMINAL THREAD SIZE0.438 INCHES 1ST END BULKHEAD
NOMINAL THREAD SIZE0.500 INCHES 2ND END
NOMINAL THREAD SIZE0.500 INCHES 3RD END
SEAT ANGLE37.0 DEGREES 1ST END
THREAD CLASS3A 1ST END
THREAD CLASS3A 1ST END BULKHEAD
THREAD CLASS3B 3RD END
THREAD CLASS3B 2ND END
THREAD SERIES DESIGNATORUNF 1ST END
THREAD SERIES DESIGNATORUNF 1ST END BULKHEAD
THREAD SERIES DESIGNATORUNJF 2ND END
THREAD SERIES DESIGNATORUNJF 3RD END


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