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National Stock Number:
5307-00-208-5643
Federal Supply Class:
5307
National Item Identification Number:
002085643
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:
| AN167628 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
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Techincal Specification:
| DIAMETER OF RECESSED PORTION OF SHANK | 0.229 INCHES MINIMUM AND 0.233 INCHES MAXIMUM | | DISTANCE ACROSS FLATS | 0.250 INCHES NOMINAL | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM | | OVERALL LENGTH | 2.375 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6320 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 8735 | | NOMINAL THREAD SIZE | 0.312 INCHES NUT THREAD | | NOMINAL THREAD SIZE | 0.375 INCHES STUD THREAD | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3A NUT THREAD | | THREAD LENGTH | 0.625 INCHES MINIMUM NUT THREAD | | THREAD LENGTH | 0.750 INCHES MINIMUM STUD THREAD | | THREAD QUANTITY PER INCH | 16 STUD THREAD | | THREAD QUANTITY PER INCH | 24 NUT THREAD | | THREAD SERIES DESIGNATOR | UNC STUD THREAD | | THREAD SERIES DESIGNATOR | UNF NUT THREAD |
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