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National Stock Number:
4730-00-115-2511
Federal Supply Class:
4730
National Item Identification Number:
001152511
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:
| 323747 | 57733 | STEWART-WARNER CORPORATION |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | STYLE DESIGNATOR | PLAIN | | CONNECTION TYPE | THREADED INTERNAL BOSS 1ST END | | THREADED EXTERNAL BOSS 2ND END | | CONNECTION STYLE | GASKET SEAL (BOSS) 1ST END | | EXTERNAL SEAT FOR GASKET SEAL (BOSS) 2ND END | | THREAD SERIES DESIGNATOR | UNS ALL ENDS | | NOMINAL THREAD SIZE | 1.750 INCHES ALL ENDS | | THREAD QUANTITY PER INCH | 20 ALL ENDS | | THREAD CLASS | 2B 1ST END | | 2A 2ND END | | NOMINAL OVERALL LENGTH | 9.500 INCHES | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 57733 | | DESIGN CONTROL REFERENCE | 323747 |
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