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National Stock Number:
4730-01-159-7981
Federal Supply Class:
4730
National Item Identification Number:
011597981
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:
| 708-4674147 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 708-4674147 ITEM 7 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 87553-1504 ITEM 7 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| CASEHARDENING INDICATOR | NOT CASEHARDENED | | HOLE OR SLOT QUANTITY | 8 | | LARGEST INSIDE DIAMETER | 4.900 INCHES NOMINAL | | OVERALL LENGTH | 2.220 INCHES NOMINAL | | MAJOR UNTHREADED OUTSIDE DIAMETER | 6.250 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY K-500 OR NICKEL ALLOY 502 | | SCREW THREAD LOCATION | INTERNAL | | SCREW THREAD SERIES DESIGNATOR | UN | | SLOT WIDTH | 0.500 INCHES NOMINAL | | SMALLEST OUTSIDE DIAMETER | 3.000 INCHES MINIMUM AND 3.010 INCHES MAXIMUM | | STYLE DESIGNATOR | ROUND, INTERNAL THREAD, SHOULDERED | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.500 INCHES MAXIMUM | | THREAD PITCH DIAMETERS | +4.2850 TO 4.3020 INCHES | | THREAD SIZE | 4.375-12 |
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