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National Stock Number: 5307-00-625-9942
Federal Supply Class: 5307
National Item Identification Number: 006259942
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:
99-3055 | 99167 | HAMILTON SUNDSTRAND CORPORATION | S245-3-612A | 01556 | STANLEY ENGINEERED FASTENING LLC |
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Techincal Specification:
MATERIAL | STEEL COMP 4130 | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE | SURFACE TREATMENT | CADMIUM OVERALL | STYLE DESIGNATOR | RECESSED AND STEPPED | LENGTH OF RECESSED PORTION OF SHANK | 0.250 INCHES NOMINAL | DIAMETER OF RECESSED PORTION OF SHANK | 0.187 INCHES NOMINAL | OVERALL LENGTH | 1.125 INCHES NOMINAL | THREAD SERIES DESIGNATOR | UNF NUT THREAD | | UNC STUD THREAD | NOMINAL THREAD SIZE | 0.250 INCHES NUT THREAD | | 0.312 INCHES STUD THREAD | THREAD CLASS | 3A NUT THREAD | | 3A STUD THREAD | THREAD QUANTITY PER INCH | 28 NUT THREAD | | 18 STUD THREAD | THREAD DIRECTION | RIGHT-HAND NUT THREAD | | RIGHT-HAND STUD THREAD | THREAD LENGTH | 0.500 INCHES MINIMUM NUT THREAD | | 0.335 INCHES MINIMUM STUD THREAD | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND | | 32.0 ROCKWELL C MAXIMUM | THE MANUFACTURERS DATA | | MANUFACTURERS CODE | 99167 | DESIGN CONTROL REFERENCE | 99-3055 |
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