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National Stock Number:
4730-00-278-8864
Federal Supply Class:
4730
National Item Identification Number:
002788864
Description:
COUPLING,BOSS
Detail:
A STRAIGHT ONE-PIECE FITTING 12 INCHES (304 MM) LONG OR UNDER HAVING THE SAME SIZE FITTING ON EACH END (STRAIGHT MACHINE THREADS OTHER THAN PIPE OR HOSE SERIES). IT MAY HAVE INTERNAL THREADS ON BOTH ENDS OR INTERNAL THREADS ON ONE END AND EXTERNAL THREADS ON THE OTHER DESIGNED TO FACILITATE A GASKET, PREFORMED PACKING, WASHER, OR THE LIKE, TO FORM A SEAL AT THE BOSS. IT IS DESIGNED TO JOIN TWO BOSSES OR BOSS FITTINGS. EXCLUDES ITEMS HAVING EXTERNAL THREADED CONNECTIONS ON BOTH ENDS.
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Manufacturer Information:
| 2971-08PC28 | 96169 | ELECTRIC BOAT CORPORATION | | 406-80S | 02356 | BAXTER HEALTHCARE CORP INSTRUMENT DIV | | 45-12306 | 59505 | NEWPORT SCIENTIFIC, INC. | | 564-4301-937555PC28 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| CONNECTION STYLE | GASKET SEAL (BOSS) ALL ENDS | | CONNECTION TYPE | THREADED INTERNAL BOSS ALL ENDS | | MATERIAL | STEEL OVERALL | | NOMINAL OVERALL LENGTH | 2.000 INCHES | | NOMINAL THREAD SIZE | 0.562 INCHES FIRST END | | STYLE DESIGNATOR | RIGID, SHORT CENTER WRENCHING FACILITY | | THREAD CLASS | 3B ALL ENDS | | THREAD SERIES DESIGNATOR | UNF ALL ENDS |
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