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National Stock Number:
4730-00-436-8478
Federal Supply Class:
4730
National Item Identification Number:
004368478
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:
| G391-32 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| CASEHARDENING INDICATOR | NOT CASE-HARDENED | | LENGTH TO SHOULDER | 0.593 INCHES NOMINAL | | OVERALL LENGTH | 0.718 INCHES NOMINAL | | MAJOR UNTHREADED OUTSIDE DIAMETER | 3.250 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY 2024 | | SMALLEST INSIDE DIAMETER | 2.200 INCHES NOMINAL | | SCREW THREAD SERIES DESIGNATOR | UNEF | | THREAD SIZE | 3.063-16 | | WIDTH ACROSS FLATS | 3.250 INCHES NOMINAL | | STYLE DESIGNATOR | HEXAGON, INTERNAL THREAD, SHOULDERED | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND |
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