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National Stock Number:
5306-00-127-2615
Federal Supply Class:
5306
National Item Identification Number:
001272615
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:
| 1P1758 | 11083 | CATERPILLAR INC |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 4.900 INCHES NOMINAL | | MATERIAL | STEEL COMP 4340 OVERALL | | THREAD LENGTH | 1.678 INCHES NOMINAL | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.625 INCHES | | THREAD QUANTITY PER INCH | 18 | | THREAD CLASS | 3A | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND | | 40.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 40000 POUNDS PER SQUARE INCH | | HEAD HEIGHT | 0.618 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.808 INCHES MINIMUM AND | | 0.817 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 1.040 INCHES MINIMUM AND | | 1.050 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.085 INCHES NOMINAL | | GRIP LENGTH | 3.220 INCHES NOMINAL | | SURFACE FINISH | 63.0 MICROINCHES BEARING SURFACE OF HEAD | | 20.0 MICROINCHES GRIP | | FEATURES PROVIDED | FINISHED HEAD |
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