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National Stock Number:
5306-01-574-8382
Federal Supply Class:
5306
National Item Identification Number:
015748382
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:
| BACB30LE5K21 | 06725 | SPS TECHNOLOGIES, LLC | | BACB30LE5K21 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | BACB30LE5K21 | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 1.405 INCHES NOMINAL | | MATERIAL | IRON ALLOY 660 OVERALL | | THREAD LENGTH | 0.593 INCHES NOMINAL | | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER | | THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | SURFACE TREATMENT | ALUMINUM OVERALL | | HEAD HEIGHT | 0.290 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.418 INCHES MINIMUM AND | | 0.434 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.580 INCHES NOMINAL | | EXTENDED WASHER THICKNESS | 0.050 INCHES NOMINAL | | GRIP LENGTH | 1.312 INCHES NOMINAL | | GRIP DIAMETER | 0.312 INCHES MAXIMUM |
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