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National Stock Number:
4730-01-106-7797
Federal Supply Class:
4730
National Item Identification Number:
011067797
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:
| 12298622 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| BOLT CIRCLE NOMINAL DIAMETER | 10.975 INCHES FIRST END | | BOLT CIRCLE NOMINAL DIAMETER | 10.975 INCHES SECOND END | | BOLT HOLE NOMINAL DIAMETER | 0.390 INCHES FIRST END | | BOLT HOLE NOMINAL DIAMETER | 0.390 INCHES SECOND END | | BOLT HOLE QUANTITY | 13 FIRST END | | BOLT HOLE QUANTITY | 13 SECOND END | | CONNECTION TYPE | FLANGE FIRST END | | CONNECTION TYPE | FLANGE SECOND END | | FLANGE FACE DESIGN | PLAIN FIRST END | | FLANGE FACE DESIGN | RAISED STRAIGHT SECOND END | | FLANGE SHAPE | ROUND WITH HOLES FIRST END | | FLANGE SHAPE | ROUND WITH HOLES SECOND END | | MATERIAL | ALUMINUM OVERALL | | NOMINAL OUTSIDE DIAMETER | 12.000 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 12.000 INCHES SECOND END | | NOMINAL THICKNESS | 3.406 INCHES FIRST END | | NOMINAL THICKNESS | 3.406 INCHES SECOND END | | NOMINAL OVERALL LENGTH | 4.250 INCHES | | STYLE DESIGNATOR | GROOVED AND FLANGED |
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