5306-01-166-4535 BOLT,EXTERNALLY RELIEVED BODY Index 5306-01-166-4538 BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-166-4536

Federal Supply Class:
5306

National Item Identification Number:
011664536

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:
B486440K0378ROLLS-ROYCE PLC


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.430 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER1.190 INCHES MINIMUM AND 1.230 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY2
FASTENER LENGTH1.930 INCHES NOMINAL
FIRST DIAMETER FROM HEAD0.235 INCHES MINIMUM AND 0.245 INCHES MAXIMUM
HEAD DIAMETER0.605 INCHES MINIMUM AND 0.615 INCHES MAXIMUM
HEAD HEIGHT0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM
HEAD STYLEROUND W/WRENCH FLATS
MATERIAL DOCUMENT AND CLASSIFICATIONMSRR6001,FSCM K0378 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES
SECOND DIAMETER FROM HEAD0.235 INCHES MINIMUM AND 0.245 INCHES MAXIMUM
SPECIAL FEATURESEXTERNALLY RELIEVED BODIES ROUNDED 0.150 IN. RADIUS ON BOTH ENDS OF EACH DIA
WIDTH BETWEEN FLATS0.483 INCHES NOMINAL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.700 INCHES NOMINAL
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH24


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