5306-00-638-4850 BOLT,EXTERNALLY RELIEVED BODY Index 5306-00-638-4859 BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-638-4858

Federal Supply Class:
5306

National Item Identification Number:
006384858

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:
48323-270210HONEYWELL INTERNATIONAL INC.
48323-272599ALLIEDSIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.200 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER7.695 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER7.760 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER7.435 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY4
FASTENER LENGTH8.120 INCHES NOMINAL
FIRST DIAMETER FROM HEAD0.250 INCHES NOMINAL
FOURTH DIAMETER FROM HEAD0.190 INCHES NOMINAL
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.140 INCHES NOMINAL
HEAD DIAMETER0.455 INCHES NOMINAL
HEAD STYLEKNURLED NO. 1
MATERIALSTEEL COMP 4130 OVERALL
MINIMUM TENSILE STRENGTH129000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES
SECOND DIAMETER FROM HEAD0.190 INCHES NOMINAL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THIRD DIAMETER FROM HEAD0.250 INCHES NOMINAL
THREAD LENGTH0.360 INCHES MINIMUM
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNF


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