5307-00-439-1529 STUD,STEPPED Index 5307-00-439-1540 STUD,STEPPED

National Stock Number:
5307-00-439-1532

Federal Supply Class:
5307

National Item Identification Number:
004391532

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:
ST1220P00324617GENERAL MOTORS CORP
ST1220P00363005ROLLS-ROYCE CORPORATION
ST1220P324617GENERAL MOTORS CORP
ST1220P363005ROLLS-ROYCE CORPORATION
ST1220P373342ALLISON TRANSMISSION INC
ST1220P00373342ALLISON TRANSMISSION INC


Techincal Specification:
MATERIALSTEEL COMP 8735
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6320 ASSN STD SINGLE MATERIAL RESPONSE
SURFACE TREATMENTCADMIUM OVERALL
THREAD SERIES DESIGNATORUNF NUT THREAD
UNC STUD THREAD
NOMINAL THREAD SIZE0.250 INCHES NUT THREAD
0.312 INCHES STUD THREAD
THREAD CLASS3A NUT THREAD
THREAD QUANTITY PER INCH28 NUT THREAD
18 STUD THREAD
THREAD PITCH DIAMETERS0.2809 TO 0.2824 INCHES STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
RIGHT-HAND STUD THREAD
THREAD LENGTH0.500 INCHES MAXIMUM NUT THREAD
0.500 INCHES MAXIMUM STUD THREAD
SPECIAL FEATURESMAGNETIC INSPECTION REQUIRED AND STUD END THREAD 0.003 IN. OVERSIZE
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND
32.0 ROCKWELL C MAXIMUM
DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END0.141 INCHES NOMINAL FIRST HOLE
COTTER PIN HOLE DIAMETER0.074 INCHES MINIMUM AND
0.081 INCHES MAXIMUM FIRST HOLE


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