5306-01-161-7292 BOLT,EXTERNALLY RELIEVED BODY Index 5306-01-161-7294 BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-161-7293

Federal Supply Class:
5306

National Item Identification Number:
011617293

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.


Manufacturer Information:
41387456878SPS TECHNOLOGIES, LLC
41387477445RTX CORPORATION
41387492215HOWMET GLOBAL FASTENING SYSTEMS INC


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER2.815 INCHES MINIMUM AND 2.875 INCHES MAXIMUM
EXTENDED WASHER DIAMETER0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FASTENER LENGTH3.615 INCHES MINIMUM AND 3.635 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD0.218 INCHES MINIMUM AND 0.228 INCHES MAXIMUM
HEAD HEIGHT0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM
HEAD STYLEDOUBLE HEXAGON W/HOLE
HOLE CONFIGURATION STYLEDOUBLE HEXAGON LONGITUDINAL HOLE
HOLE DIAMETER0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM
HOLE QUANTITY4
HOLE TYPEDRILLED
MATERIAL DOCUMENT AND CLASSIFICATIONAMS7477 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
WIDTH BETWEEN FLATS0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.785 INCHES NOMINAL
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNF


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