5305-00-206-6518 SCREW,TAPPING Index 5306-00-206-6534 BOLT,MACHINE

National Stock Number:
5306-00-206-6528

Federal Supply Class:
5306

National Item Identification Number:
002066528

Description:
BOLT,MACHINE

Detail:
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.


Manufacturer Information:
176H5088044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
AN176H5088044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
B681281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER4.875 INCHES NOMINAL FIRST HOLE
FASTENER LENGTH5.078 INCHES NOMINAL
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH4.438 INCHES NOMINAL
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM
HEAD STYLEHEXAGON
HOLE CONFIGURATION STYLEHEXAGON LONGITUDINAL HOLE
HOLE DIAMETER0.062 INCHES NOMINAL
HOLE QUANTITY1
HOLE TYPEDRILLED
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.375 INCHES
SHANK UNTHREADED HOLE DIAMETER0.106 INCHES NOMINAL FIRST HOLE
WIDTH BETWEEN FLATS0.562 INCHES NOMINAL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.640 INCHES MINIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNF


Click here to Register for Free 30-day Trial