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National Stock Number:
4730-00-432-1300
Federal Supply Class:
4730
National Item Identification Number:
004321300
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:
| 138545 | 24821 | ROSEMOUNT ANALYTICAL, INC. DIV PROCESS ANALYTICAL DIVISION | | N539675 PIECE 3 | 24821 | ROSEMOUNT ANALYTICAL, INC. DIV PROCESS ANALYTICAL DIVISION |
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Techincal Specification:
| CONNECTION TYPE | THREADED INTERNAL BOSS ALL ENDS | | CONNECTION STYLE | GASKET SEAL (BOSS) 2ND END | | MATERIAL | STEEL COMP 1018 OVERALL | | NOMINAL OVERALL LENGTH | 1.250 INCHES | | NOMINAL THREAD SIZE | 0.375 INCHES ALL ENDS | | SPECIAL FEATURES | 0.625 IN. WIDTH ACROSS FLATS | | STYLE DESIGNATOR | RIGID, LONG CENTER WRENCHING FACILITY | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 2B ALL ENDS | | THREAD SERIES DESIGNATOR | UNC ALL ENDS |
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