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National Stock Number:
4730-01-511-8360
Federal Supply Class:
4730
National Item Identification Number:
015118360
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:
| 3017141 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| CONNECTION TYPE | THREADED EXTERNAL BOSS 2ND END | | CONNECTION TYPE | THREADED INTERNAL TUBE 1ST END | | CONNECTION STYLE | FLARED (TUBE) 1ST END | | CONNECTION STYLE | GASKET SEAL (BOSS) 2ND END | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-637,ALLOY 464 1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY 464 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.750 INCHES 1ST END | | NOMINAL OVERALL LENGTH | 1.250 INCHES | | NOMINAL THREAD SIZE | 0.750 INCHES 1ST END | | NOMINAL THREAD SIZE | 1.250 INCHES 2ND END | | SPECIAL FEATURES | FIRST END HAS HEXAGON FLANGE 1.375 IN. NOM. ACROSS THE FLATS:SECOND END HAS 4 SLOTS .250 IN. NOM. WIDE,EQUALLY SPACED AND 0.032 IN. NOM. DEEP | | STYLE DESIGNATOR | FLANGED | | THREAD CLASS | 2A 2ND END | | THREAD CLASS | 2B 1ST END | | THREAD QUANTITY PER INCH | 12 2ND END | | THREAD QUANTITY PER INCH | 16 1ST END | | THREAD SERIES DESIGNATOR | UNF 1ST END | | THREAD SERIES DESIGNATOR | UNF 2ND END |
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