5307-00-149-4513 STUD,STEPPED Index 5307-00-149-4521 STUD,STEPPED

National Stock Number:
5307-00-149-4520

Federal Supply Class:
5307

National Item Identification Number:
001494520

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:
2143H800AHP5CURTISS-WRIGHT CONTROLS, INC.


Techincal Specification:
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
OVERALL LENGTH1.230 INCHES MINIMUM AND 1.270 INCHES MAXIMUM
MATERIALSTEEL COMP 8740 OR STEEL COMP 4130
NOMINAL THREAD SIZE0.250 INCHES NUT THREAD
SHANK DIAMETER0.223 INCHES MINIMUM AND 0.227 INCHES MAXIMUM
SPECIAL FEATURESSTUD END THREAD 0.003 IN OVERSIZE
STYLE DESIGNATORSTEPPED
SURFACE FINISH100.0 MICROINCHES NUT THD
SURFACE FINISH40.0 MICROINCHES STUD THD
SURFACE TREATMENTCADMIUM OVERALL
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+0.2246 TO 0.2263 INCHES NUT THREAD
THREAD PITCH DIAMETERS+0.2847 TO 0.2857 INCHES STUD THREAD
THREAD QUANTITY PER INCH28 NUT THREAD
THREAD SERIES DESIGNATORUNS NUT THREAD


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