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National Stock Number:
4730-01-369-5201
Federal Supply Class:
4730
National Item Identification Number:
013695201
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:
| 87500139 | 81873 | WOODWARD HRT INC | | 87500139-001 | 76301 | THE BOEING COMPANY | | 87500139-001 | 81873 | WOODWARD HRT INC |
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Techincal Specification:
| CONNECTION TYPE | THREADED INTERNAL BOSS ALL ENDS | | CONNECTION STYLE | GASKET SEAL (BOSS) ALL ENDS | | MATERIAL | STEEL COMP 304 OVERALL | | NOMINAL OVERALL LENGTH | 3.500 INCHES | | NOMINAL THREAD SIZE | 0.438 INCHES ALL ENDS | | STYLE DESIGNATOR | THREADED INTERNAL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 2B ALL ENDS | | THREAD SERIES DESIGNATOR | UNF ALL ENDS |
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