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National Stock Number:
5306-01-297-4077
Federal Supply Class:
5306
National Item Identification Number:
012974077
Description:
BOLT,EXTERNALLY RELIEVED BODY
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercuts for thread relief). It is No. 10 (0.190 IN.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, INTERNAL WRENCHING and THUMBSCREW. See also SCREW, EXTERNALLY RELIEVED BODY.
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Manufacturer Information:
| 9V4319 | 11083 | CATERPILLAR INC |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 55.63 MILLIMETERS NOMINAL | | EXTENDED WASHER DIAMETER | 19.05 MILLIMETERS NOMINAL | | EXTENDED WASHER THICKNESS | 2.55 MILLIMETERS MINIMUM AND 3.55 MILLIMETERS MAXIMUM | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FASTENER LENGTH | 76.2 MILLIMETERS NOMINAL | | FIRST DIAMETER FROM HEAD | 10.41 MILLIMETERS MINIMUM AND 10.91 MILLIMETERS MAXIMUM | | HEAD HEIGHT | 12.7 MILLIMETERS NOMINAL | | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | WIDTH BETWEEN FLATS | 12.7 MILLIMETERS NOMINAL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 20.57 MILLIMETERS NOMINAL | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 20 |
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