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National Stock Number:
5306-00-430-9437
Federal Supply Class:
5306
National Item Identification Number:
004309437
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:
| 11647 | 23926 | KOMATSU AMERICA INTL CO | | R11647 | 23926 | KOMATSU AMERICA INTL CO |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 2.750 INCHES NOMINAL | | MATERIAL | STEEL COMP 1020 OVERALL | | THREAD LENGTH | 1.062 INCHES MINIMUM | | HEAD STYLE | HEXAGON | | THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 2A | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | HARDNESS RATING | 79.0 ROCKWELL B NOMINAL OVERALL | | MINIMUM YIELD STRENGTH | 43000 POUNDS PER SQUARE INCH | | HEAD HEIGHT | 0.375 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.750 INCHES NOMINAL | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.625 INCHES NOMINAL FIRST HOLE | | SHANK UNTHREADED HOLE DIAMETER | 0.125 INCHES NOMINAL FIRST HOLE | | FEATURES PROVIDED | UNFINISHED HEAD |
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