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National Stock Number:
4730-01-126-4995
Federal Supply Class:
4730
National Item Identification Number:
011264995
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:
| RE-B 102137 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | RE-B102137 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| CASEHARDENING INDICATOR | NOT CASEHARDENED | | MATERIAL | STEEL COMP 302 | | OVERALL LENGTH | 0.688 INCHES NOMINAL | | SPECIAL FEATURES | CENTER HOLE CHAMFERED 45 DEGREES,0.016 IN DEPTH BOTH ENDS | | SCREW THREAD LOCATION | EXTERNAL | | SCREW THREAD SERIES DESIGNATOR | UNF | | SMALLEST INSIDE DIAMETER | 0.186 INCHES MINIMUM AND 0.187 INCHES MAXIMUM | | STYLE DESIGNATOR | HEXAGON, EXTERNAL THREAD, BOSS | | THREAD LENGTH | 0.344 INCHES NOMINAL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD SIZE | 1/2-20 | | WIDTH ACROSS FLATS | 0.688 INCHES NOMINAL |
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