5306-00-206-0316 BOLT,EXTERNALLY RELIEVED BODY Index 5305-00-206-0357 SCREW,SHOULDER

National Stock Number:
5306-00-206-0318

Federal Supply Class:
5306

National Item Identification Number:
002060318

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:
A7627899408STUDEBAKER-WORTHINGTON INC
B315368599408STUDEBAKER-WORTHINGTON INC


Techincal Specification:
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER3.188 INCHES NOMINAL FIRST HOLE
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER2.124 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER2.312 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY2
FASTENER LENGTH3.490 INCHES MINIMUM AND 3.510 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD0.998 INCHES MINIMUM AND 0.999 INCHES MAXIMUM
HEAD HEIGHT0.640 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY K-500 OVERALL
NOMINAL THREAD DIAMETER1.000 INCHES
SHANK UNTHREADED HOLE DIAMETER0.187 INCHES NOMINAL FIRST HOLE
SECOND DIAMETER FROM HEAD0.877 INCHES MINIMUM AND 0.882 INCHES MAXIMUM
WIDTH BETWEEN FLATS1.500 INCHES MAXIMUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.188 INCHES MAXIMUM
THREAD QUANTITY PER INCH12
THREAD SERIES DESIGNATORUNF


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