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National Stock Number:
4730-01-172-9107
Federal Supply Class:
4730
National Item Identification Number:
011729107
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:
| 7M637AK-D4 | 01673 | SPS TECHNOLOGIES, LLC | | 7M637AK-D4 | 06581 | ALLAN AIRCRAFT SUPPLY CO., LLC | | 7M637AK-D4 | 14798 | DESIGNED METAL CONNECTIONS INC | | 7M637AK-D4 | 52930 | NELSON AERO SPACE, INC. | | 7M637AK-D4 | 76301 | THE BOEING COMPANY | | 7M637AK-D4 | AB213 | FRATELLI TASSINARI DI ARRIGO E GLAUGO & C. SNC |
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Techincal Specification:
| CONNECTION TYPE | THREADED INTERNAL BOSS THIRD END | | LEG LENGTH | 0.750 INCHES NOMINAL THIRD END | | LEG LENGTH | 1.750 INCHES NOMINAL FIRST END | | LEG LENGTH | 1.500 INCHES NOMINAL SECOND END | | MATERIAL | ALUMINUM ALLOY OVERALL | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES SECOND END | | NOMINAL THREAD SIZE | 0.438 INCHES FIRST END | | NOMINAL THREAD SIZE | 0.438 INCHES SECOND END | | NOMINAL THREAD SIZE | 0.438 INCHES THIRD END | | SEAT ANGLE | 37.0 DEGREES SECOND END | | SEAT ANGLE | 37.0 DEGREES FIRST END | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-83488,CL 3,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ALUMINUM OVERALL | | THREAD CLASS | 3A SECOND END | | THREAD CLASS | 3B THIRD END | | THREAD SERIES DESIGNATOR | UNF FIRST END | | THREAD SERIES DESIGNATOR | UNF SECOND END | | THREAD SERIES DESIGNATOR | UNF THIRD END |
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