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National Stock Number:
4730-01-050-3214
Federal Supply Class:
4730
National Item Identification Number:
010503214
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:
| 16S429-7 | 81755 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| CASEHARDENING INDICATOR | NOT CASEHARDENED | | HOLE OR SLOT QUANTITY | 4 | | MAJOR UNTHREADED OUTSIDE DIAMETER | 2.640 INCHES MINIMUM AND 2.660 INCHES MAXIMUM | | OVERALL LENGTH | 1.000 INCHES MINIMUM AND 1.060 INCHES MAXIMUM | | MATERIAL | STEEL | | SCREW THREAD LOCATION | INTERNAL | | SCREW THREAD SERIES DESIGNATOR | UN | | SLOT WIDTH | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM | | SMALLEST INSIDE DIAMETER | 1.790 INCHES MINIMUM AND 1.810 INCHES MAXIMUM | | STYLE DESIGNATOR | ROUND SLOTTED, EXTERNAL THREAD, BOSS | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3B | | THREAD LENGTH | 0.590 INCHES MINIMUM AND 0.610 INCHES MAXIMUM | | THREAD SIZE | 2.375-12 |
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