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National Stock Number:
4730-00-407-3804
Federal Supply Class:
4730
National Item Identification Number:
004073804
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:
| 12S1436-7 | 81755 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| CASEHARDENING INDICATOR | NOT CASEHARDENED | | HOLE DIAMETER | 0.250 INCHES NOMINAL | | HOLE OR SLOT QUANTITY | 4 | | LENGTH TO SHOULDER | 0.905 INCHES NOMINAL | | MAJOR UNTHREADED OUTSIDE DIAMETER | 2.650 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING | | OVERALL LENGTH | 1.030 INCHES NOMINAL | | PROTRUSION QUANTITY | 4 | | SCREW THREAD LOCATION | INTERNAL | | SCREW THREAD SERIES DESIGNATOR | UN | | SMALLEST INSIDE DIAMETER | 1.800 INCHES NOMINAL | | STYLE DESIGNATOR | ROUND, INTERNAL THREAD, SHOULDERED | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.375 INCHES NOMINAL | | THREAD SIZE | 3/8-12 |
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