5998-01-435-3155 CIRCUIT CARD ASSEMBLY Index 5985-01-435-3157 COUPLER,DIRECTIONAL

National Stock Number:
5306-01-435-3156

Federal Supply Class:
5306

National Item Identification Number:
014353156

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:
B18234B08030N80204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED


Techincal Specification:
EXTENDED WASHER DIAMETER18.0 MILLIMETERS MAXIMUM
EXTENDED WASHER THICKNESS4.8 MILLIMETERS MINIMUM
EXTERNAL THREAD TOLERANCE CLASS6G
FASTENER LENGTH29.6 MILLIMETERS MINIMUM AND 30.4 MILLIMETERS MAXIMUM
HEAD HEIGHT8.1 MILLIMETERS MAXIMUM
HEAD STYLEHEXAGON EXTENDED WASHER
MATERIALSTEEL PROPERTY CLASS 10.9 OVERALL
NOMINAL THREAD DIAMETER8.0 MILLIMETERS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-Z-325,TY2,CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH26.9 MILLIMETERS MAXIMUM
THREAD PITCH IN MILLIMETERS1.25
THREAD SERIES DESIGNATORM
WIDTH BETWEEN FLATS9.64 MILLIMETERS MINIMUM AND 10.00 MILLIMETERS MAXIMUM


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