2815-01-173-8565 CYLINDER HEAD,DIESEL ENGINE Index 4710-01-173-8568 TUBE,BENT,METALLIC

National Stock Number:
5306-01-173-8567

Federal Supply Class:
5306

National Item Identification Number:
011738567

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:
9526M49P0107482GENERAL ELECTRIC COMPANY


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FASTENER LENGTH0.690 INCHES MINIMUM AND 0.710 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD0.137 INCHES MINIMUM AND 0.141 INCHES MAXIMUM
HEAD HEIGHT0.127 INCHES MINIMUM AND 0.139 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONAMS7477 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES
SPECIAL FEATURESLEAD END MACHINED DOWN 0.110 TO 0.130 IN. FOR DISTANCE 0.210 IN.;THE TIP LEVEL 15 DEGREES FOR LENGTH 0.100 IN.
WIDTH BETWEEN FLATS0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.305 INCHES NOMINAL
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)


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