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National Stock Number:
4730-01-212-1206
Federal Supply Class:
4730
National Item Identification Number:
012121206
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:
| 4755-002 PIECE 5 | 96169 | ELECTRIC BOAT CORPORATION | | SSN613-209-1968267 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | SSN613-209-1968267 PIECE 5 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| CASEHARDENING INDICATOR | NOT CASEHARDENED | | HOLE DIAMETER | 0.281 INCHES NOMINAL | | HOLE OR SLOT QUANTITY | 4 | | OVERALL LENGTH | 1.969 INCHES NOMINAL | | MAJOR UNTHREADED OUTSIDE DIAMETER | 3.250 INCHES NOMINAL | | MATERIAL | COPPER ALLOY | | SEAT ANGLE IN DEG | 45.0 | | SCREW THREAD LOCATION | INTERNAL | | SCREW THREAD SERIES DESIGNATOR | NPT | | SMALLEST INSIDE DIAMETER | 2.281 INCHES NOMINAL | | STYLE DESIGNATOR | ROUND, EXTERNAL THREAD, INVERTED FLARE | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.500 INCHES NOMINAL | | THREAD SIZE | 3 1/4-8 |
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