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National Stock Number:
5307-00-303-4989
Federal Supply Class:
5307
National Item Identification Number:
003034989
Description:
STUD,RECESSED AND STEPPED
Detail:
A HEADLESS FASTENER NOT EXCEEDING 12 INCHES (304.8 MM) IN LENGTH, THREADED EXTERNALLY ON BOTH ENDS ON WHICH THE NOMINAL DIAMETER OF ONE THREADED SECTION IS GREATER THAN THE OTHER. THE UNTHREADED SECTION MUST HAVE MORE THAN ONE DIAMETER, NONE OF WHICH MAY BE LARGER THAN THE MAXIMUM MAJOR DIAMETER OF THE LARGER THREAD. IT MAY BE THREAD RELIEVED. EXCLUDES ITEMS WITH TAPERED THREADS.
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Manufacturer Information:
| 11A6842 | 95201 | NAPCO INTERNATIONAL LLC | | 20X359 | 78500 | MERITOR HEAVY VEHICLE SYSTEMS, LLC | | 35090 | 09386 | ALLIEDSIGNAL INC ALLIEDSIGNAL BRAKING SYSTEMS-WHEEL END PRODUCTS |
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Techincal Specification:
| MATERIAL | STEEL | | THREAD SERIES DESIGNATOR | UN NUT THREAD | | UNF STUD THREAD | | NOMINAL THREAD SIZE | 1.125 INCHES NUT THREAD | | 0.750 INCHES STUD THREAD | | THREAD QUANTITY PER INCH | 16 NUT THREAD | | 16 STUD THREAD | | THREAD PITCH DIAMETERS | 1.0764 TO 1.0804 INCHES NUT THREAD | | 0.7044 TO 0.7084 INCHES STUD THREAD | | THREAD DIRECTION | RIGHT-HAND NUT THREAD | | LEFT-HAND STUD THREAD | | THREAD LENGTH | 1.219 INCHES MINIMUM NUT THREAD | | 0.938 INCHES MAXIMUM STUD THREAD | | SPECIAL FEATURES | ROCKWELL HARDNESS ON STUD END | | HARDNESS RATING | 18.0 ROCKWELL C MINIMUM AND | | 28.0 ROCKWELL C MAXIMUM |
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