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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:
| MATERIAL | ALUMINUM OVERALL | | STYLE DESIGNATOR | GROOVED AND FLANGED | | CONNECTION TYPE | FLANGE 1ST END | | FLANGE 2ND END | | FLANGE SHAPE | ROUND WITH HOLES 1ST END | | ROUND WITH HOLES 2ND END | | NOMINAL OUTSIDE DIAMETER | 12.000 INCHES 1ST END | | 12.000 INCHES 2ND END | | NOMINAL THICKNESS | 3.406 INCHES 1ST END | | 3.406 INCHES 2ND END | | BOLT HOLE QUANTITY | 13 1ST END | | 13 2ND END | | BOLT HOLE NOMINAL DIAMETER | 0.390 INCHES 1ST END | | 0.390 INCHES 2ND END | | BOLT CIRCLE NOMINAL DIAMETER | 10.975 INCHES 1ST END | | 10.975 INCHES 2ND END | | FLANGE FACE DESIGN | PLAIN 1ST END | | RAISED STRAIGHT 2ND END | | NOMINAL OVERALL LENGTH | 4.250 INCHES |
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