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National Stock Number:
5307-01-247-2150
Federal Supply Class:
5307
National Item Identification Number:
012472150
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:
| S246-3-710A | 89198 | EMHART INDUSTRIES INC |
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Techincal Specification:
| DIAMETER OF RECESSED PORTION OF SHANK | 0.187 INCHES NOMINAL | | LENGTH OF RECESSED PORTION OF SHANK | 0.256 INCHES NOMINAL | | OVERALL LENGTH | 1.310 INCHES NOMINAL | | MATERIAL | STEEL COMP 4130 | | NOMINAL THREAD SIZE | 0.250 INCHES NUT THREAD | | NOMINAL THREAD SIZE | 0.312 INCHES STUD THREAD | | STYLE DESIGNATOR | RECESSED AND STEPPED | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3A NUT THREAD | | THREAD CLASS | 3A STUD THREAD | | THREAD DIRECTION | RIGHT-HAND NUT THREAD | | THREAD DIRECTION | RIGHT-HAND STUD THREAD | | THREAD LENGTH | 0.335 INCHES NOMINAL STUD THREAD | | THREAD LENGTH | 0.500 INCHES NOMINAL NUT THREAD | | THREAD QUANTITY PER INCH | 18 STUD THREAD | | THREAD QUANTITY PER INCH | 28 NUT THREAD | | THREAD SERIES DESIGNATOR | UNF NUT THREAD | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |
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