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National Stock Number:
5306-01-526-0643
Federal Supply Class:
5306
National Item Identification Number:
015260643
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.
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Manufacturer Information:
| B18234B12070N | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 24.7 MILLIMETERS NOMINAL | | EXTENDED WASHER THICKNESS | 1.8 MILLIMETERS NOMINAL | | EXTERNAL THREAD TOLERANCE CLASS | 6G | | FASTENER LENGTH | 70.0 MILLIMETERS NOMINAL | | HEAD HEIGHT | 12.1 MILLIMETERS NOMINAL | | HEAD STYLE | HEXAGON EXTENDED WASHER | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE J1198 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM F568 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL PROPERTY CLASS 10.9 OVERALL | | NOMINAL THREAD DIAMETER | 12.0 MILLIMETERS | | WIDTH BETWEEN FLATS | 14.57 MILLIMETERS MINIMUM AND 15.00 MILLIMETERS MAXIMUM | | THREAD DIRECTION | LEFT-HAND | | THREAD LENGTH | 31.25 MILLIMETERS MINIMUM AND 40.00 MILLIMETERS MAXIMUM | | THREAD SERIES DESIGNATOR | M | | THREAD PITCH IN MILLIMETERS | 1.75 |
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