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National Stock Number: 4730-00-394-4728
Federal Supply Class: 4730
National Item Identification Number: 003944728
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:
556032-2 | 73030 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
CASEHARDENING INDICATOR | NOT CASEHARDENED | LENGTH TO SHOULDER | 0.380 INCHES NOMINAL | OVERALL LENGTH | 0.480 INCHES NOMINAL | MATERIAL HARDNESS RATING | 70.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM | MATERIAL | STEEL COMP 347 | SCREW THREAD LOCATION | INTERNAL | SCREW THREAD SERIES DESIGNATOR | UNJEF | SMALLEST INSIDE DIAMETER | 0.330 INCHES NOMINAL | WIDTH ACROSS FLATS | 0.996 INCHES MINIMUM AND 1.003 INCHES MAXIMUM | STYLE DESIGNATOR | HEXAGON, INTERNAL THREAD, SHOULDERED | THREAD CLASS | 3B | THREAD LENGTH | 0.278 INCHES NOMINAL | THREAD DIRECTION | RIGHT-HAND | THREAD SIZE | 7/8IN-20 |
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