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National Stock Number:
4730-01-297-4671
Federal Supply Class:
4730
National Item Identification Number:
012974671
Description:
TEE,BOSS
Detail:
A FITTING HAVING THREE CONNECTIONS WITH THE BRANCH CONNECTION FIXED AT 90 DEGREES (1.5705 RADIANS) TO THE RUN. THE CONNECTIONS HAVE EXTERNAL OR INTERNAL MACHINE THREADS (STRAIGHT THREADS OTHER THAN PIPE OR HOSE SERIES), AND ARE 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 BOSS OR BOSS FITTING ON ITEMS SUCH AS TANKS, HOUSINGS, VALVE FITTINGS, AND THE LIKE. EXCLUDES TEE, TUBE.
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Manufacturer Information:
| 65317-03217 | 78286 | SIKORSKY AIRCRAFT CORPORATION | | 65317-03217-104 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| CONNECTION STYLE | DOUBLE THREADED SECTION W/ GASKET AND LOCKNUT SEALING (BOSS) SECOND END | | CONNECTION STYLE | FLARED W/ GASKET SEAL (BOSS) FIRST END | | CONNECTION STYLE | GASKET SEAL (BOSS) THIRD END | | CONNECTION TYPE | THREADED EXTERNAL BOSS FIRST END | | CONNECTION TYPE | THREADED EXTERNAL BOSS SECOND END | | CONNECTION TYPE | THREADED INTERNAL BOSS THIRD END | | FLOW ANGLE | 90.0 DEGREES | | MATERIAL | ALUMINUM ALLOY 7075 OVERALL | | NOMINAL THREAD SIZE | 0.562 INCHES FIRST END | | NOMINAL THREAD SIZE | 0.562 INCHES SECOND END | | NOMINAL THREAD SIZE | 0.562 INCHES THIRD END | | SPECIAL FEATURES | SECOND END CONFORMS TO MIL-S-8879. | | THREAD CLASS | 3A FIRST END | | THREAD CLASS | 3A SECOND END | | THREAD CLASS | 3B THIRD END | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) SECOND END | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) THIRD END |
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