5306-01-256-6827 BOLT,EXTERNALLY RELIEVED BODY Index 5305-01-256-6829 SCREW,DRIVE

National Stock Number:
5306-01-256-6828

Federal Supply Class:
5306

National Item Identification Number:
012566828

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:
209-076-345-397499BELL TEXTRON INC


Techincal Specification:
FASTENER LENGTH1.810 INCHES MINIMUM AND 1.840 INCHES MAXIMUM
HEAD HEIGHT0.188 INCHES NOMINAL
HEAD STYLEUNDERCUT HEXAGON
MATERIALSTEEL COMP 4140 OR STEEL COMP 4340 OVERALL
WIDTH BETWEEN FLATS0.750 INCHES NOMINAL
THREAD LENGTH0.165 INCHES MINIMUM AND 0.205 INCHES MAXIMUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND


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