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National Stock Number:
4730-01-268-9478
Federal Supply Class:
4730
National Item Identification Number:
012689478
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.
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Manufacturer Information:
| AS4311K20 | 0U583 | SAE INTERNATIONAL | | AS4311K20 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | KC120C20 | 22264 | JOHN F KENNEDY SPACE CENTER | | KC120K20 | 22264 | JOHN F KENNEDY SPACE CENTER |
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Techincal Specification:
| CONNECTION STYLE | FLARED (TUBE) 1ST END | | CONNECTION STYLE | FLARED (TUBE) 3RD END | | CONNECTION STYLE | GASKET SEAL (BOSS) 2ND END | | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END | | CONNECTION TYPE | THREADED EXTERNAL TUBE 3RD END | | CONNECTION TYPE | THREADED INTERNAL BOSS 2ND END | | LEG LENGTH | 2.250 INCHES MINIMUM 3RD END | | LEG LENGTH | 3.031 INCHES MINIMUM 1ST END | | LEG LENGTH | 1.719 INCHES MINIMUM 2ND END | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 316 OVERALL | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 1.250 INCHES 3RD END | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 1.250 INCHES 1ST END | | NOMINAL THREAD SIZE | 1.625 INCHES 1ST END | | NOMINAL THREAD SIZE | 1.625 INCHES 2ND END | | NOMINAL THREAD SIZE | 1.625 INCHES 3RD END | | SEAT ANGLE | 37.0 DEGREES 1ST END | | SEAT ANGLE | 37.0 DEGREES 3RD END | | SPECIAL FEATURES | KC120C20; MACHINED GROOVE IN FLARED ENDS TO ACCOMMODATE SEAL RING PER KC103 | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A 3RD END | | THREAD CLASS | 3A 1ST END | | THREAD QUANTITY PER INCH | 12 1ST END | | THREAD QUANTITY PER INCH | 12 2ND END | | THREAD QUANTITY PER INCH | 12 3RD END | | THREAD SERIES DESIGNATOR | UN 1ST END | | THREAD SERIES DESIGNATOR | UN 2ND END | | THREAD SERIES DESIGNATOR | UN 3RD END |
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