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National Stock Number: 4730-00-448-6807
Federal Supply Class: 4730
National Item Identification Number: 004486807
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:
49958 | 00198 | PRATT & WHITNEY CANADA CORP | 49958 | 77445 | RTX CORPORATION |
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Techincal Specification:
CASEHARDENING INDICATOR | NOT CASEHARDENED | OVERALL LENGTH | 0.660 INCHES NOMINAL | MATERIAL | STEEL COMP 4640 | SCREW THREAD LOCATION | EXTERNAL | SCREW THREAD SERIES DESIGNATOR | UNS | SMALLEST INSIDE DIAMETER | 0.514 INCHES MINIMUM AND 0.516 INCHES MAXIMUM | STYLE DESIGNATOR | HEXAGON, EXTERNAL THREAD, BOSS | WIDTH ACROSS FLATS | 0.750 INCHES NOMINAL | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.260 INCHES NOMINAL | THREAD PITCH DIAMETERS | +0.7109 TO 0.7139 INCHES | THREAD SIZE | 3/4IN-18 |
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