4730-00-202-7977 NUT,TUBE COUPLING Index 4710-00-202-7987 PIPE,METALLIC

National Stock Number:
4730-00-202-7980

Federal Supply Class:
4730

National Item Identification Number:
002027980

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:
4185326512NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
CASEHARDENING INDICATORNOT CASEHARDENED
LENGTH TO SHOULDER0.375 INCHES NOMINAL
MAJOR UNTHREADED OUTSIDE DIAMETER1.125 INCHES NOMINAL
OVERALL LENGTH0.438 INCHES NOMINAL
MATERIALALUMINUM ALLOY
SCREW THREAD LOCATIONINTERNAL
SCREW THREAD SERIES DESIGNATORUNEF
SMALLEST INSIDE DIAMETER0.625 INCHES MINIMUM AND 0.627 INCHES MAXIMUM
WIDTH ACROSS FLATS1.125 INCHES NOMINAL
STYLE DESIGNATORHEXAGON, INTERNAL THREAD, SHOULDERED
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.266 INCHES NOMINAL
THREAD PITCH DIAMETERS+0.9675 TO 0.9709 INCHES
THREAD SIZE1.000-20


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