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National Stock Number:
5306-01-578-2326
Federal Supply Class:
5306
National Item Identification Number:
015782326
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:
| 8T-5412 | HD208 | PON EQUIPMENT B.V. | | 8T5412 | 11083 | CATERPILLAR INC |
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Techincal Specification:
| HEAD STYLE | HEXAGON | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT M21 X 1.75 X 140 MM | | NOMINAL THREAD DIAMETER | 1.750 INCHES | | THREAD DIRECTION | RIGHT-HAND | | THREAD PITCH IN MILLIMETERS | 21.0 | | THREAD SERIES DESIGNATOR | M |
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