1560-14-503-5753 RIB,AIRFOIL Index 5307-14-503-5756 STUD,PLAIN

National Stock Number:
5306-14-503-5754

Federal Supply Class:
5306

National Item Identification Number:
145035754

Description:
PIN,HEADED,THREADED

Detail:
(ALL EXCEPT USA) A CONNECTING AND/OR ARTICULATING DEVICE HAVING A CYLINDRICAL SHANK WITH A HEAD AT ONE END AND A THREADED PORTION AT THE OTHER END. THE UNTHREADED PORTION IS OF A SPECIFIC GRIP LENGTH, PLATED OR UNPLATED, AND IS MACHINED TO A TOLERANCE OF ONE THOUSANDTH (0.001) OF AN INCH (25 MICRONS) OR LESS, OF A SPECIFIC DIAMETER FOR ITEMS ONE INCH (25.4 MM) OR LESS IN DIAMETER. ITEMS OVER ONE INCH (25.4 MM) IN DIAMETER, SHALL HAVE A TOLERANCE OF FIFTEEN TEN-THOUSANDTHS (0.0015) OF AN INCH (38 MICRONS) OR LESS. THE SPECIFIC RMS NICROINCH FINISH ON THE BEARING SURFACE MUST NOT EXCEED 32 MICROINCHES (0.8 MICRON). THE NOMINAL MAJOR DIAMETER OF THE THREADS SHALL BE AT LEAST ONE THOUSANDTH (0.001) OF AN INCH (25 MICRONS) BELOW THE MINIMUM SHANK DIAMETER. THE HEAD IS DESIGNED TO ACCOMMODATE AN EXTERNAL WRENCH OR DRIVER AND/OR MAY HAVE FLATS OR SIMILAR FEATURES FOR POSITIONING OR SECURING. THE ITEM MAY BE INTERNALLY RELIEVED WITH A CONCENTRIC HOLE ALONG THE LONGITUDINAL CENTERLINE WHICH MAY EXTEND A PART OR WHOLE OF ITS LENGTH. EXCLUDES BOLT, CLOSE TOLERANCE; BOLT, SHEAR; BOLT, SHOULDER; AND BOLT, INTERNALLY RELIEVED BODY.


Manufacturer Information:
33411BE080028MEF6117DASSAULT AVIATION


Techincal Specification:
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER35.2 MILLIMETERS NOMINAL
FASTENER LENGTH40.0 MILLIMETERS NOMINAL
GRIP DIAMETER8.0 MILLIMETERS NOMINAL
GRIP LENGTH28.0 MILLIMETERS NOMINAL
HEAD HEIGHT2.5 MILLIMETERS NOMINAL
MATERIALSTEEL COMP 30NCD16
NOMINAL THREAD DIAMETER0.250 INCHES
SHANK UNTHREADED HOLE DIAMETER1.93 MILLIMETERS NOMINAL
WIDTH BETWEEN FLATS11.17 MILLIMETERS NOMINAL
SURFACE FINISH0.8 MICROMETERS
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNJF


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