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National Stock Number:
4730-01-339-6748
Federal Supply Class:
4730
National Item Identification Number:
013396748
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:
| 70307-82404 | 78286 | SIKORSKY AIRCRAFT CORPORATION | | 70307-82404-104 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| CONNECTION TYPE | THREADED INTERNAL BOSS ALL ENDS | | CONNECTION STYLE | GASKET SEAL (BOSS) ALL ENDS | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/9 FED SPEC SINGLE MATERIAL RESPONSE AND QQ-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | ALUMINUM ALLOY 6061 OVERALL | | NOMINAL OVERALL LENGTH | 2.570 INCHES | | NOMINAL THREAD SIZE | 1.062 INCHES ALL ENDS | | SPECIAL FEATURES | EXT THD ONE END 1.625-12 UNJ-3A | | STYLE DESIGNATOR | RIGID, SHORT CENTER WRENCHING FACILITY | | THREAD CLASS | 3B ALL ENDS | | THREAD SERIES DESIGNATOR | UNJ ALL ENDS | | THREAD QUANTITY PER INCH | 12 ALL ENDS |
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