2540-00-772-4979 COVER Index 5310-00-772-4984 WASHER,KEY

National Stock Number:
5307-00-772-4983

Federal Supply Class:
5307

National Item Identification Number:
007724983

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:
71688-211599TRIUMPH ENGINE CONTROL SYSTEMS LLC


Techincal Specification:
COTTER PIN HOLE DIAMETER0.071 INCHES MINIMUM AND 0.081 INCHES MAXIMUM FIRST HOLE
DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END0.550 INCHES NOMINAL FIRST HOLE
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM
NOMINAL THREAD SIZE0.312 INCHES NUT THREAD0.375 INCHES STUD THREAD
THREAD CLASS3A NUT THREAD3A STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREADRIGHT-HAND STUD THREAD
THREAD SERIES DESIGNATORUNF NUT THREADUNC STUD THREAD
THREAD QUANTITY PER INCH24 NUT THREAD16 STUD THREAD


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