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National Stock Number: 4730-01-476-2810
Federal Supply Class: 4730
National Item Identification Number: 014762810
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:
| 2643-825-85 ITEM 12 | 96169 | ELECTRIC BOAT CORPORATION | | 845-7108535 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 845-7108535 ITEM 12 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| CASEHARDENING INDICATOR | NOT CASEHARDENED | | HOLE OR SLOT QUANTITY | 1 | | MAJOR UNTHREADED OUTSIDE DIAMETER | 1.863 INCHES MINIMUM AND 1.864 INCHES MAXIMUM | | MATERIAL | COPPER ALLOY | | OVERALL LENGTH | 0.880 INCHES NOMINAL | | SCREW THREAD LOCATION | EXTERNAL | | SCREW THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | SLOT WIDTH | 0.250 INCHES NOMINAL | | SMALLEST INSIDE DIAMETER | 1.500 INCHES MINIMUM AND 1.502 INCHES MAXIMUM | | STRENGTH RATING | 44000.000 POUNDS PER SQUARE INCH MINIMUM TENSILE | | STYLE DESIGNATOR | ROUND SLOTTED, EXTERNAL THREAD, BOSS | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 2.250 INCHES NOMINAL | | THREAD SIZE | 2.250-16 |
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