4730-01-343-3479 PACKING NUT Index 4730-01-343-3481 PACKING NUT

National Stock Number:
4730-01-343-3480

Federal Supply Class:
4730

National Item Identification Number:
013433480

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.


Manufacturer Information:
1259199419200US ARMY ARDEC RDECOM


Techincal Specification:
CASEHARDENING INDICATORNOT CASEHARDENED
OVERALL LENGTH1.646 INCHES NOMINAL
MATERIALSTEEL
SMALLEST INSIDE DIAMETER3.750 INCHES NOMINAL
SCREW THREAD LOCATIONEXTERNAL
SCREW THREAD SERIES DESIGNATORUN
WIDTH ACROSS FLATS5.520 INCHES NOMINAL
STYLE DESIGNATORIRREGULAR
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.674 INCHES NOMINAL
THREAD SIZE4 3/4-12


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