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National Stock Number:
5306-00-639-4888
Federal Supply Class:
5306
National Item Identification Number:
006394888
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:
| 55-28-22 | 75497 | LAMSON AND SESSIONS CO THE | | 595646 | 24617 | GENERAL MOTORS CORP | | 716138 | 1GM23 | FRG INDUSTRIES INC |
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Techincal Specification:
| FASTENER LENGTH | 1.375 INCHES NOMINAL | | FEATURES PROVIDED | FINISHED HEAD | | GRIP LENGTH | 0.625 INCHES NOMINAL | | HEAD HEIGHT | 0.656 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.438 INCHES | | NONSTANDARD THREAD PITCH DIAMETER | +0.3855 TO 0.3891 INCHES | | WIDTH BETWEEN FLATS | 0.625 INCHES NOMINAL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.750 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 14 | | THREAD SERIES DESIGNATOR | UNC |
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