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National Stock Number:
5306-00-353-8226
Federal Supply Class:
5306
National Item Identification Number:
003538226
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:
| 3236970 | 55380 | HATCH & KIRK, INC. | | 3236970 | 72915 | GENERAL MOTORS CORP ELECTRO-MOTIVE DIV | | 3238913 | 55380 | HATCH & KIRK, INC. | | 3238913 | 72915 | GENERAL MOTORS CORP ELECTRO-MOTIVE DIV |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 7.282 INCHES NOMINAL FIRST HOLE | | DISTANCE FROM CENTERLINE TO FLAT | 0.442 INCHES MINIMUM AND 0.447 INCHES MAXIMUM | | FASTENER LENGTH | 7.438 INCHES NOMINAL | | FEATURES PROVIDED | FINISHED HEAD | | GRIP LENGTH | 6.250 INCHES NOMINAL | | HEAD DIAMETER | 1.125 INCHES NOMINAL | | HEAD HEIGHT | 0.500 INCHES NOMINAL | | HEAD STYLE | DEE | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.625 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.157 INCHES NOMINAL FIRST HOLE | | SPECIAL FEATURES | OUTER PERIPHERY OF HEAD OPPOSITE FLATTED EDGE MACHINED TO 0.438 IN. FROM CENTERLINE | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.188 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 18 |
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