5305-00-208-7868 SCREW,MACHINE Index 5305-00-208-7871 SCREW,MACHINE

National Stock Number:
5307-00-208-7869

Federal Supply Class:
5307

National Item Identification Number:
002087869

Description:
STUD,RECESSED AND 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 UNTHREADED SECTION MUST HAVE MORE THAN ONE DIAMETER, NONE OF WHICH MAY BE LARGER THAN THE MAXIMUM MAJOR DIAMETER OF THE LARGER THREAD. IT MAY BE THREAD RELIEVED. EXCLUDES ITEMS WITH TAPERED THREADS.


Manufacturer Information:
AN16414288044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE


Techincal Specification:
DIAMETER OF RECESSED PORTION OF SHANK0.229 INCHES MINIMUM AND 0.233 INCHES MAXIMUM
DISTANCE ACROSS FLATS0.250 INCHES NOMINAL
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
LENGTH OF RECESSED PORTION OF SHANK2.625 INCHES NOMINAL
OVERALL LENGTH4.438 INCHES NOMINAL
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
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A NUT THREAD
THREAD LENGTH0.562 INCHES MINIMUM STUD THREAD
THREAD LENGTH0.625 INCHES MINIMUM NUT THREAD
THREAD QUANTITY PER INCH16 STUD THREAD
THREAD QUANTITY PER INCH24 NUT THREAD
THREAD PITCH DIAMETERS+0.3452 TO 0.3467 INCHES STUD THREAD
THREAD SERIES DESIGNATORUNF NUT THREAD
THREAD SERIES DESIGNATORUNS STUD THREAD


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