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National Stock Number:
4730-00-723-3691
Federal Supply Class:
4730
National Item Identification Number:
007233691
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:
| 105-01486 | 79470 | DANA CORP WEATHERHEAD DIV | | MS21937-6H | 0U583 | SAE INTERNATIONAL | | MS21937-6H | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | SAE-AS18280 | 0U583 | SAE INTERNATIONAL |
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Techincal Specification:
| CASEHARDENING INDICATOR | NOT CASEHARDENED | | LARGEST INSIDE DIAMETER | 0.875 INCHES NOMINAL | | LENGTH TO SHOULDER | 0.344 INCHES NOMINAL | | MAJOR UNTHREADED OUTSIDE DIAMETER | 1.000 INCHES NOMINAL | | OVERALL LENGTH | 0.500 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY | | SCREW THREAD LOCATION | INTERNAL | | SCREW THREAD SERIES DESIGNATOR | UNJF | | SPECIFICATION/STANDARD DATA | 96906-MS21937 GOVERNMENT STANDARD | | WIDTH ACROSS FLATS | 1.000 INCHES NOMINAL | | STYLE DESIGNATOR | HEXAGON, INTERNAL THREAD, SHOULDERED | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.344 INCHES NOMINAL | | THREAD SIZE | 9/16 IN.-18 | | UNTHREADED PORTION LENGTH | 0.156 INCHES NOMINAL |
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