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National Stock Number:
4730-00-448-6808
Federal Supply Class:
4730
National Item Identification Number:
004486808
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:
| 49959 | 00198 | PRATT & WHITNEY CANADA CORP | | 49959 | 77445 | RTX CORPORATION |
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Techincal Specification:
| CASEHARDENING INDICATOR | NOT CASEHARDENED | | OVERALL LENGTH | 0.600 INCHES NOMINAL | | MATERIAL | STEEL COMP 8740 | | SCREW THREAD LOCATION | EXTERNAL | | SCREW THREAD SERIES DESIGNATOR | UNF | | SMALLEST INSIDE DIAMETER | 0.264 INCHES MINIMUM AND 0.266 INCHES MAXIMUM | | SPECIAL FEATURES | ONE 0.062 IN.DIA HOLE DRILLED THRU CORNER OF HEX | | STYLE DESIGNATOR | HEXAGON, EXTERNAL THREAD, BOSS | | WIDTH ACROSS FLATS | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | CADMIUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.380 INCHES NOMINAL | | THREAD SIZE | 7/16IN-20 |
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