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National Stock Number:
4730-00-445-2596
Federal Supply Class:
4730
National Item Identification Number:
004452596
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:
| 18-32402-1 | 80020 | NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2 |
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Techincal Specification:
| CASEHARDENING INDICATOR | NOT CASEHARDENED | | LARGEST INSIDE DIAMETER | 0.437 INCHES NOMINAL | | LENGTH TO SHOULDER | 0.750 INCHES NOMINAL | | MAJOR UNTHREADED OUTSIDE DIAMETER | 0.375 INCHES NOMINAL | | OVERALL LENGTH | 1.312 INCHES NOMINAL | | MATERIAL | COPPER ALLOY 464 | | SCREW THREAD LOCATION | EXTERNAL | | SCREW THREAD SERIES DESIGNATOR | UNF | | SMALLEST INSIDE DIAMETER | 0.125 INCHES NOMINAL | | STYLE DESIGNATOR | HEXAGON, EXTERNAL THREAD, SHOULDERED | | STRENGTH RATING | 52000.000 POUNDS PER SQUARE INCH MINIMUM TENSILE | | WIDTH ACROSS FLATS | 0.750 INCHES NOMINAL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.312 INCHES NOMINAL | | THREAD SIZE | 0.500-20 | | UNTHREADED PORTION LENGTH | 0.562 INCHES NOMINAL |
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