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National Stock Number:
4730-01-184-7151
Federal Supply Class:
4730
National Item Identification Number:
011847151
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:
| 2640-047 | 96169 | ELECTRIC BOAT CORPORATION | | 2640-047 PIECE 8 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| CASEHARDENING INDICATOR | NOT CASEHARDENED | | HOLE OR SLOT QUANTITY | 2 | | MAJOR UNTHREADED OUTSIDE DIAMETER | 1.875 INCHES NOMINAL | | OVERALL LENGTH | 0.500 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY K-500 | | SMALLEST INSIDE DIAMETER | 1.281 INCHES NOMINAL | | SCREW THREAD SERIES DESIGNATOR | UN | | SCREW THREAD LOCATION | EXTERNAL | | SLOT WIDTH | 0.250 INCHES NOMINAL | | STYLE DESIGNATOR | ROUND SLOTTED, EXTERNAL THREAD, BOSS | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.500 INCHES NOMINAL | | THREAD SIZE | 1-7/8-16 |
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