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National Stock Number:
4730-00-670-7321
Federal Supply Class:
4730
National Item Identification Number:
006707321
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:
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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 | 2.750 INCHES | | NOMINAL THREAD SIZE | 0.500 INCHES FIRST END | | NOMINAL THREAD SIZE | 0.500 INCHES SECOND END | | SPECIAL FEATURES | 0.500 IN. LG CUT-AWAYBEGINNING 0.813 IN. FROM 2ND END | | STYLE DESIGNATOR | RIGID, THREADED INTERNAL AND EXTERNAL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 2A SECOND END | | THREAD CLASS | 2B FIRST END | | THREAD SERIES DESIGNATOR | UNF FIRST END | | THREAD SERIES DESIGNATOR | UNF SECOND END |
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