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National Stock Number:
4730-00-034-3250
Federal Supply Class:
4730
National Item Identification Number:
000343250
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:
| 69-15595-3 | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | MEDIA FOR WHICH DESIGNED | AERONAUTICAL FLUID SINGLE RESPONSE | | STYLE DESIGNATOR | RIGID, CENTER WRENCHING FACILITY | | 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 | UN ALL ENDS | | NOMINAL THREAD SIZE | 1.062 INCHES ALL ENDS | | THREAD QUANTITY PER INCH | 12 ALL ENDS | | THREAD CLASS | 3B 1ST END | | 3A 2ND END | | NOMINAL OVERALL LENGTH | 1.859 INCHES | | SPECIAL FEATURES | THREE SAFETY WIRE HOLES LOCATED IN OUTER PERIPHERY OF HEX WRENCHING FEATURE |
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