5307-00-149-4854 STUD,STEPPED Index 5307-00-149-4857 STUD,STEPPED

National Stock Number:
5307-00-149-4855

Federal Supply Class:
5307

National Item Identification Number:
001494855

Description:
STUD,RECESSED

Detail:
A HEADLESS FASTENER NOT EXCEEDING TWELVE INCHES (304.8 MM) IN LENGTH, THREADED EXTERNALLY ON BOTH ENDS WITH THREADS OF THE SAME NOMINAL DIAMETER. ONE END OR BOTH ENDS MAY HAVE A POINT. THE UNTHREADED SECTION MAY HAVE MORE THAN ONE DIAMETER, NONE OF WHICH MAY BE GREATER THAN THE MAXIMUM MAJOR THREAD DIAMETER. IT MAY BE THREAD RELIEVED. EXCLUDES ITEMS WITH TAPER THREADS.


Manufacturer Information:
2043S760AHP5CURTISS-WRIGHT CONTROLS, INC.


Techincal Specification:
DIAMETER OF RECESSED PORTION OF SHANK0.213 INCHES MINIMUM AND 0.217 INCHES MAXIMUM
DISTANCE ACROSS FLATS0.250 INCHES NOMINAL
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
LENGTH OF RECESSED PORTION OF SHANK3.260 INCHES NOMINAL
OVERALL LENGTH5.350 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6327 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 8740
NOMINAL THREAD SIZE0.312 INCHES STUD THREAD
STYLE DESIGNATORRECESSED
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A NUT THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD LENGTH0.680 INCHES NOMINAL STUD THREAD
THREAD LENGTH0.590 INCHES NOMINAL NUT THREAD
THREAD PITCH DIAMETERS+0.2887 TO 0.2897 INCHES STUD THREAD
THREAD QUANTITY PER INCH18 STUD THREAD
THREAD SERIES DESIGNATORUNC STUD THREAD


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