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National Stock Number:
5306-00-543-5195
Federal Supply Class:
5306
National Item Identification Number:
005435195
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:
| 80438 | 24930 | L3HARRIS TECHNOLOGIES, INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 2A | | THREAD LENGTH | 0.812 INCHES MINIMUM AND | | 0.844 INCHES MAXIMUM | | FASTENER LENGTH | 1.156 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | MINIMUM TENSILE STRENGTH | 3130 POUNDS PER SQUARE INCH | | HEAD STYLE | HEXAGON | | HEAD HEIGHT | 0.140 INCHES MINIMUM AND | | 0.172 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND | | 0.440 INCHES MAXIMUM | | FIRST DIAMETER FROM HEAD | 0.246 INCHES MINIMUM AND | | 0.249 INCHES MAXIMUM | | SECOND DIAMETER FROM HEAD | 0.229 INCHES MINIMUM AND | | 0.231 INCHES MAXIMUM | | THIRD DIAMETER FROM HEAD | 0.246 INCHES MINIMUM AND | | 0.249 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 0.312 INCHES MINIMUM AND | | 0.344 INCHES MAXIMUM |
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