5307-00-149-5255 STUD,RECESSED AND STEPPED Index 5307-00-149-5257 STUD,STEPPED

National Stock Number:
5307-00-149-5256

Federal Supply Class:
5307

National Item Identification Number:
001495256

Description:
STUD,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 ENTIRE UNTHREADED PORTION MUST BE OF A SINGLE DIAMETER EQUAL TO OR SMALLER THAN THE MAXIMUM MAJOR DIAMETER OF THE LARGER THREADED END. INCLUDES RADIAL GROOVES OR THREAD RELIEFS. EXCLUDES ITEMS WITH TAPERED THREADS.


Manufacturer Information:
2143S1350AHP5CURTISS-WRIGHT CONTROLS, INC.


Techincal Specification:
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
OVERALL LENGTH1.780 INCHES MINIMUM AND 1.782 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6320 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 8735
NOMINAL THREAD SIZE0.250 INCHES NUT THREAD
NOMINAL THREAD SIZE0.312 INCHES STUD THREAD
SHANK DIAMETER0.223 INCHES MINIMUM AND 0.227 INCHES MAXIMUM
SPECIAL FEATURESSTUD END THREAD 0.007 IN. OVERSIZE
STYLE DESIGNATORSTEPPED
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A NUT THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD LENGTH0.430 INCHES MINIMUM STUD THREAD
THREAD LENGTH0.540 INCHES MINIMUM NUT THREAD
THREAD PITCH DIAMETERS+0.2887 TO 0.2897 INCHES STUD THREAD
THREAD QUANTITY PER INCH18 STUD THREAD
THREAD QUANTITY PER INCH28 NUT THREAD
THREAD SERIES DESIGNATORUNF NUT THREAD
THREAD SERIES DESIGNATORUNS STUD THREAD


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