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National Stock Number:
4730-00-542-2488
Federal Supply Class:
4730
National Item Identification Number:
005422488
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:
| L8SD78-1911 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| CASEHARDENING INDICATOR | NOT CASEHARDENED | | FSC APPLICATION DATA | PACKING NUT EXCEPT STUFFING TUBE | | LENGTH TO SHOULDER | 0.157 INCHES NOMINAL | | MAJOR UNTHREADED OUTSIDE DIAMETER | 0.063 INCHES NOMINAL | | OVERALL LENGTH | 0.250 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY K-500 OR NICKEL ALLOY 502 | | SCREW THREAD LOCATION | INTERNAL | | SCREW THREAD SERIES DESIGNATOR | UNF | | SMALLEST INSIDE DIAMETER | 0.453 INCHES NOMINAL | | WIDTH ACROSS FLATS | 0.625 INCHES NOMINAL | | STYLE DESIGNATOR | HEXAGON, INTERNAL THREAD, SHOULDERED | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.157 INCHES NOMINAL | | THREAD CLASS | 2B | | THREAD SIZE | 1/2IN-20 |
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