5306-00-207-9142 BOLT,MACHINE Index 5306-00-207-9148 BOLT,MACHINE

National Stock Number:
5306-00-207-9147

Federal Supply Class:
5306

National Item Identification Number:
002079147

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:
7436757712TELEMECHANICS INC
7436764959AMERICAN TELEPHONE AND TELEGRAPH CO


Techincal Specification:
FASTENER LENGTH1.437 INCHES NOMINAL
FEATURES PROVIDEDCASEHARDENED AND FINISHED HEAD
HEAD HEIGHT0.188 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES
WIDTH BETWEEN FLATS0.312 INCHES NOMINAL
SURFACE TREATMENTCHROMATE ZINC OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.375 INCHES MINIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNF


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