5306-14-373-3213 BOLT,CLOSE TOLERANCE Index 5306-14-373-3221 BOLT,CLOSE TOLERANCE

National Stock Number:
5306-14-373-3216

Federal Supply Class:
5306

National Item Identification Number:
143733216

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:
39441-8023-3BEMF6117DASSAULT AVIATION
39441BE080024MF6117DASSAULT AVIATION


Techincal Specification:
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER30.9 MILLIMETERS MINIMUM AND 31.1 MILLIMETERS MAXIMUM
CABLE DIAMETER10.7 MILLIMETERS NOMINAL
EXTERNAL THREAD TOLERANCE CLASS4H
FASTENER LENGTH34.7 MILLIMETERS MINIMUM AND 35.0 MILLIMETERS MAXIMUM
GRIP DIAMETER7.982 MILLIMETERS MINIMUM AND 7.990 MILLIMETERS MAXIMUM
GRIP LENGTH23.7 MILLIMETERS MINIMUM AND 24.0 MILLIMETERS MAXIMUM
HEAD HEIGHT2.5 MILLIMETERS NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONF3025 AIR 9160C MIL STD SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 30NCD16
NOMINAL THREAD DIAMETER0.250 INCHES
SHANK UNTHREADED HOLE DIAMETER1.930 MILLIMETERS MINIMUM AND 2.184 MILLIMETERS MAXIMUM
WIDTH BETWEEN FLATS10.871 MILLIMETERS MINIMUM AND 11.176 MILLIMETERS MAXIMUM
SURFACE FINISH0.8 MICROMETERS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONNF L 09-753 CODE M NATIONAL SPEC SINGLE TREATMENT RESPONSE
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNF
THREAD PITCH IN MILLIMETERS1.5


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