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National Stock Number:
4730-00-393-5361
Federal Supply Class:
4730
National Item Identification Number:
003935361
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:
| AFB1544B | 7PZX0 | FAIRBANKS MORSE, LLC | | AFB1544B | 82796 | COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE DIV FAIRBANKS MORSE ENGINE | | MAFB3541GPC91 | 82796 | COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE DIV FAIRBANKS MORSE ENGINE |
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Techincal Specification:
| CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END | | CONNECTION STYLE | GASKET SEAL (BOSS) FIRST END | | CONNECTION TYPE | THREADED EXTERNAL BOSS SECOND END | | CONNECTION TYPE | THREADED INTERNAL BOSS FIRST END | | MATERIAL | STEEL OVERALL | | NOMINAL OVERALL LENGTH | 2.156 INCHES | | NOMINAL THREAD SIZE | 0.438 INCHES FIRST END | | NOMINAL THREAD SIZE | 0.438 INCHES SECOND END | | STYLE DESIGNATOR | RIGID, THREADED INTERNAL AND EXTERNAL | | THREAD CLASS | 3A SECOND END | | THREAD CLASS | 3B FIRST END | | THREAD SERIES DESIGNATOR | UNS FIRST END | | THREAD SERIES DESIGNATOR | UNS SECOND END | | THREAD QUANTITY PER INCH | 27 SECOND END |
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