4730-01-188-2225 PACKING NUT Index 4730-01-188-2227 SPACER,FLEXIBLE,PIPELINE

National Stock Number:
4730-01-188-2226

Federal Supply Class:
4730

National Item Identification Number:
011882226

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:
2641-75096169ELECTRIC BOAT CORPORATION
2641-750 PIECE 2496169ELECTRIC BOAT CORPORATION


Techincal Specification:
CASEHARDENING INDICATORNOT CASEHARDENED
HOLE OR SLOT QUANTITY1
MAJOR UNTHREADED OUTSIDE DIAMETER2.875 INCHES NOMINAL
MATERIALCOPPER ALLOY 903
OVERALL LENGTH0.340 INCHES NOMINAL
SCREW THREAD LOCATIONEXTERNAL
SCREW THREAD SERIES DESIGNATORUN
SLOT WIDTH0.250 INCHES NOMINAL
SMALLEST INSIDE DIAMETER2.281 INCHES NOMINAL
STYLE DESIGNATORROUND SLOTTED, EXTERNAL THREAD, BOSS
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.500 INCHES NOMINAL
THREAD SIZE2-7/8-16


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