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National Stock Number:
4730-01-188-2225
Federal Supply Class:
4730
National Item Identification Number:
011882225
Description:
PACKING NUT
Detail:
AN ITEM HAVING INTERNAL AND/OR EXTERNAL MACHINE THREAD(S) (THREADS OTHER THAN PIPE OR HOSE SERIES), SPECIFICALLY DESIGNED TO RETAIN, BY MEANS OR GROOVE(S), SHOULDER(S), AND THE LIKE, PACKING AND/OR A PACKING GLAND WITHIN A STUFFING BOX. SEE ALSO BUSHING, MACHINE THREAD; INVERTED NUT, TUBE COUPLING; AND NUT, TUBE COUPLING. EXCLUDES PACKING NUT, STUFFING TUBE; AND USE WITH ELECTRICAL CABLE, AND LOCKNUT, PIPE.
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Manufacturer Information:
| 2640-051 | 96169 | ELECTRIC BOAT CORPORATION | | 2640-051 PIECE 8 | 96169 | ELECTRIC BOAT CORPORATION | | 845-1889800 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| CASEHARDENING INDICATOR | NOT CASEHARDENED | | HOLE OR SLOT QUANTITY | 1 | | MAJOR UNTHREADED OUTSIDE DIAMETER | 3.125 INCHES NOMINAL | | MATERIAL | COPPER ALLOY 903 | | OVERALL LENGTH | 0.750 INCHES NOMINAL | | SCREW THREAD LOCATION | EXTERNAL | | SCREW THREAD SERIES DESIGNATOR | UNS | | SLOT WIDTH | 0.250 INCHES NOMINAL | | SMALLEST INSIDE DIAMETER | 2.250 INCHES NOMINAL | | STYLE DESIGNATOR | ROUND SLOTTED, EXTERNAL THREAD, BOSS | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.750 INCHES NOMINAL | | THREAD SIZE | 3.125-16 |
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