5306-99-139-6069 BOLT,MACHINE Index 5306-99-139-6143 BOLT,MACHINE

National Stock Number:
5306-99-139-6120

Federal Supply Class:
5306

National Item Identification Number:
991396120

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:
100355-9000-094K1020MBDA UK LTD
100355-9000-094K1806MINISTRY OF DEFENCE, DE&S UNDERWATER AND ELECTRONIC WARFARE PT (UEW IPT)
BS3692K7766BRITISH STANDARDS INSTITUTION


Techincal Specification:
EXTERNAL THREAD TOLERANCE CLASS6G
FASTENER LENGTH120.00 MILLIMETERS NOMINAL
GRIP LENGTH74.00 MILLIMETERS NOMINAL
HEAD HEIGHT12.78 MILLIMETERS MINIMUM AND 13.21 MILLIMETERS MAXIMUM
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONBS 970 PART 4 GRADE 316S16 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER20.00 MILLIMETERS
WIDTH BETWEEN FLATS29.67 MILLIMETERS MINIMUM AND 30.00 MILLIMETERS MAXIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH46.00 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATORISO M
THREAD PITCH IN MILLIMETERS2.50


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