5306-01-125-8245 BOLT,MACHINE Index 5305-01-125-8247 SCREW,MACHINE

National Stock Number:
5306-01-125-8246

Federal Supply Class:
5306

National Item Identification Number:
011258246

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:
MBEU-66684-2U1604MARTIN-BAKER AIRCRAFT COMPANY LIMITED


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH1.360 INCHES NOMINAL
MATERIALSTEEL CORROSION RESISTING OVERALL
THREAD LENGTH0.420 INCHES NOMINAL
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS2A
MATERIAL DOCUMENT AND CLASSIFICATIONS143D,FSCM U1604 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.450 INCHES NOMINAL
WIDTH BETWEEN FLATS0.493 INCHES MINIMUM AND
0.500 INCHES MAXIMUM
HOLE CONFIGURATION STYLEHEXAGON LONGITUDINAL HOLE
HOLE TYPEDRILLED
HOLE QUANTITY1
HOLE DIAMETER0.062 INCHES NOMINAL
ASKEWED HEAD ANGLE90.0 DEGREES NOMINAL
THE MANUFACTURERS DATA
MANUFACTURERS CODEU1604
DESIGN CONTROL REFERENCEMBEU-66684-2


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