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National Stock Number:
5306-01-178-5660
Federal Supply Class:
5306
National Item Identification Number:
011785660
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:
| J644P30A | 07482 | GENERAL ELECTRIC COMPANY |
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Techincal Specification:
| EXTENDED WASHER THICKNESS | 0.060 INCHES MINIMUM AND 0.065 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM | | FASTENER LENGTH | 2.365 INCHES MINIMUM AND 2.375 INCHES MAXIMUM | | HEAD HEIGHT | 0.293 INCHES MINIMUM AND 0.295 INCHES MAXIMUM | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | HOLE CONFIGURATION STYLE | DOUBLE HEXAGON LONGITUDINAL HOLE | | HOLE DIAMETER | 0.075 INCHES MINIMUM AND 0.085 INCHES MAXIMUM | | HOLE QUANTITY | 2 | | HOLE TYPE | DRILLED | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | WIDTH BETWEEN FLATS | 0.3125 INCHES NOMINAL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.713 INCHES MINIMUM AND 0.719 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 28 |
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