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National Stock Number:
4730-00-142-1275
Federal Supply Class:
4730
National Item Identification Number:
001421275
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:
| 4411L | 54641 | LEAR SIEGLER INC SHERWOOD DIV | | 6B8172 | 11083 | CATERPILLAR INC | | 81829S4105-502358PC8 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 81830S4105-552518PC3 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | YN1S61-882PC4411L | 80064 | NAVAL SHIP SYSTEMS COMMAND | | YN29S61-0171PC4411L | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| CASEHARDENING INDICATOR | NOT CASEHARDENED | | HOLE OR SLOT QUANTITY | 6 | | LARGEST INSIDE DIAMETER | 1.312 INCHES NOMINAL | | LENGTH TO SHOULDER | 0.188 INCHES NOMINAL | | MAJOR UNTHREADED OUTSIDE DIAMETER | 1.563 INCHES NOMINAL | | MATERIAL | COPPER | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL LENGTH | 0.813 INCHES NOMINAL | | SCREW THREAD LOCATION | EXTERNAL | | SCREW THREAD SERIES DESIGNATOR | UNEF | | SEAT ANGLE IN DEG | 30.0 | | SLOT WIDTH | 0.406 INCHES NOMINAL | | SMALLEST INSIDE DIAMETER | 0.885 INCHES MINIMUM AND 0.890 INCHES MAXIMUM | | STYLE DESIGNATOR | ROUND, EXTERNAL THREAD, INVERTED FLARE | | THREAD CLASS | 3A | | THREAD DIRECTION | LEFT-HAND | | THREAD LENGTH | 0.500 INCHES NOMINAL | | THREAD SIZE | 1.375-18 |
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