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National Stock Number:
4730-01-040-1489
Federal Supply Class:
4730
National Item Identification Number:
010401489
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:
| D171-300-7PC302 | 11440 | GE STEAM POWER INC |
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Techincal Specification:
| CASEHARDENING INDICATOR | NOT CASEHARDENED | | LARGEST INSIDE DIAMETER | 1.125 INCHES NOMINAL | | LENGTH TO SHOULDER | 0.625 INCHES NOMINAL | | MAJOR UNTHREADED OUTSIDE DIAMETER | 1.485 INCHES NOMINAL | | OVERALL LENGTH | 1.325 INCHES NOMINAL | | MATERIAL | STEEL COMP 1018 | | SCREW THREAD LOCATION | EXTERNAL | | SCREW THREAD SERIES DESIGNATOR | UN | | SMALLEST INSIDE DIAMETER | 0.940 INCHES NOMINAL | | STYLE DESIGNATOR | HEXAGON, EXTERNAL THREAD, INTERNAL SHOUL DER | | SPECIAL FEATURES | SURFACE TREATMENT: ZINC ALLOY | | SURFACE TREATMENT | ZINC | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.500 INCHES NOMINAL | | THREAD SIZE | 1-3/4-20 | | WIDTH ACROSS FLATS | 1.250 INCHES NOMINAL |
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