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National Stock Number:
4730-01-144-9334
Federal Supply Class:
4730
National Item Identification Number:
011449334
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:
| 1258143 | 06350 | ASSET SYSTEMS, INC. | | 1258143 PC 6 | 07454 | APV GAULIN INC | | 1258143 PIECE 6 | 06350 | ASSET SYSTEMS, INC. | | 820-5348328 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| CASEHARDENING INDICATOR | NOT CASEHARDENED | | LENGTH TO SHOULDER | 1.000 INCHES MINIMUM AND 1.025 INCHES MAXIMUM | | MAJOR UNTHREADED OUTSIDE DIAMETER | 2.938 INCHES NOMINAL | | OVERALL LENGTH | 1.375 INCHES NOMINAL | | MATERIAL | COPPER ALLOY 642 | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY FREE FROM MERCURY CONTAMINATION | | SCREW THREAD LOCATION | INTERNAL | | SCREW THREAD SERIES DESIGNATOR | UN | | SMALLEST INSIDE DIAMETER | 1.000 INCHES NOMINAL | | STYLE DESIGNATOR | KNURLED, INTERNAL THREAD, SHOULDERED | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.750 INCHES NOMINAL | | THREAD SIZE | 2-1/2-12 |
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