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National Stock Number:
4730-01-003-3957
Federal Supply Class:
4730
National Item Identification Number:
010033957
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:
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Techincal Specification:
| CASEHARDENING INDICATOR | NOT CASEHARDENED | | LENGTH TO SHOULDER | 0.280 INCHES NOMINAL | | OVERALL LENGTH | 0.380 INCHES NOMINAL | | MAJOR UNTHREADED OUTSIDE DIAMETER | 0.425 INCHES NOMINAL | | MATERIAL | STEEL COMP 347 OR STEEL COMP 321 | | SCREW THREAD SERIES DESIGNATOR | UNJF | | SCREW THREAD LOCATION | INTERNAL | | SMALLEST INSIDE DIAMETER | 0.218 INCHES NOMINAL | | WIDTH ACROSS FLATS | 0.620 INCHES NOMINAL | | STYLE DESIGNATOR | HEXAGON, INTERNAL THREAD, SHOULDERED | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.160 INCHES NOMINAL | | THREAD SIZE | 5/16IN-24 |
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