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National Stock Number:
4730-00-531-2921
Federal Supply Class:
4730
National Item Identification Number:
005312921
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:
| 139C7968 | 05606 | GENERAL DYNAMICS-OTS, INC. |
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Techincal Specification:
| CASEHARDENING INDICATOR | NOT CASEHARDENED | | LARGEST INSIDE DIAMETER | 0.680 INCHES NOMINAL | | LENGTH TO SHOULDER | 0.300 INCHES NOMINAL | | MAJOR UNTHREADED OUTSIDE DIAMETER | 0.880 INCHES NOMINAL | | OVERALL LENGTH | 0.500 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY 6061 | | SCREW THREAD LOCATION | INTERNAL | | SCREW THREAD SERIES DESIGNATOR | UNEF | | SMALLEST INSIDE DIAMETER | 0.490 INCHES NOMINAL | | WIDTH ACROSS FLATS | 0.800 INCHES NOMINAL | | STYLE DESIGNATOR | HEXAGON, INTERNAL THREAD, SHOULDERED | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171,FINISH 7.1.2 MIL SPEC SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | ANODIZE | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.260 INCHES NOMINAL | | THREAD SIZE | 0.687-24 |
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