5307-00-078-0348 STUD,STEPPED Index 5307-00-078-0350 STUD,STEPPED

National Stock Number:
5307-00-078-0349

Federal Supply Class:
5307

National Item Identification Number:
000780349

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:
AN15131888044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE


Techincal Specification:
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
OVERALL LENGTH1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 8740
NOMINAL THREAD SIZE0.312 INCHES NUT THREAD
NOMINAL THREAD SIZE0.375 INCHES STUD THREAD
SHANK DIAMETER0.279 INCHES MINIMUM AND 0.289 INCHES MAXIMUM
SURFACE FINISH63.0 MICROINCHES SHANK
THREAD CLASS3A NUT THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD LENGTH0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM STUD THREAD
THREAD LENGTH0.709 INCHES MINIMUM AND 0.729 INCHES MAXIMUM NUT THREAD
THREAD QUANTITY PER INCH16 STUD THREAD
THREAD QUANTITY PER INCH24 NUT THREAD
THREAD PITCH DIAMETERS+0.3392 TO 0.3407 INCHES STUD THREAD


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