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National Stock Number: 4730-01-222-0438
Federal Supply Class: 4730
National Item Identification Number: 012220438
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:
4384538 | 80064 | NAVAL SHIP SYSTEMS COMMAND | 803-4384538 SH 16 PIECE 7 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
CASEHARDENING INDICATOR | NOT CASEHARDENED | HOLE DIAMETER | 0.578 INCHES NOMINAL | HOLE OR SLOT QUANTITY | 6 | MAJOR UNTHREADED OUTSIDE DIAMETER | 7.500 INCHES NOMINAL | OVERALL LENGTH | 3.047 INCHES NOMINAL | MATERIAL | STEEL | SCREW THREAD LOCATION | EXTERNAL | SCREW THREAD SERIES DESIGNATOR | UN | SEAT ANGLE IN DEG | 45.0 | SMALLEST INSIDE DIAMETER | 3.778 INCHES NOMINAL | STYLE DESIGNATOR | ROUND, EXTERNAL THREAD, INVERTED FLARE | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 2.797 INCHES NOMINAL | THREAD PITCH DIAMETERS | +5.6993 TO 5.8376 INCHES | THREAD SIZE | 6-4 |
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