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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:
| MATERIAL | ALUMINUM ALLOY OVERALL | | SURFACE TREATMENT | ALUMINUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-83488,CL 3,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | CONNECTION TYPE | THREADED INTERNAL BOSS 3RD END | | SEAT ANGLE | 37.0 DEGREES 1ST END | | 37.0 DEGREES 2ND END | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 2ND END | | THREAD SERIES DESIGNATOR | UNF 1ST END | | UNF 2ND END | | UNF 3RD END | | NOMINAL THREAD SIZE | 0.438 INCHES 1ST END | | 0.438 INCHES 2ND END | | 0.438 INCHES 3RD END | | THREAD CLASS | 3A 2ND END | | 3B 3RD END | | LEG LENGTH | 1.750 INCHES NOMINAL 1ST END | | 1.500 INCHES NOMINAL 2ND END | | 0.750 INCHES NOMINAL 3RD END |
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