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National Stock Number:
5307-00-943-1786
Federal Supply Class:
5307
National Item Identification Number:
009431786
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:
| BACS21CA6 | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 8740 | | NOMINAL THREAD SIZE | 0.250 INCHES NUT THREAD | | NOMINAL THREAD SIZE | 0.312 INCHES STUD THREAD | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD DIRECTION | RIGHT-HAND NUT THREAD | | THREAD DIRECTION | RIGHT-HAND STUD THREAD | | THREAD CLASS | 3A NUT THREAD | | THREAD LENGTH | 0.469 INCHES MINIMUM STUD THREAD | | THREAD LENGTH | 0.562 INCHES MINIMUM NUT THREAD | | THREAD PITCH DIAMETERS | +0.2810 TO 0.2825 INCHES STUD THREAD | | THREAD SERIES DESIGNATOR | UNC STUD THREAD | | THREAD SERIES DESIGNATOR | UNF NUT THREAD | | THREAD QUANTITY PER INCH | 18 STUD THREAD | | THREAD QUANTITY PER INCH | 28 NUT THREAD |
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