5306-01-175-8764 BOLT,EXTERNALLY RELIEVED BODY Index 5306-01-175-8766 BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-175-8765

Federal Supply Class:
5306

National Item Identification Number:
011758765

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:
99-781-038099995NATO STOCK NUMBER ASSIGNED BY ANOTHER NATION
99-781-0380INTE9NATO STOCK NUMBER ASSIGNED BY ANOTHER NATION
B490389K0378ROLLS-ROYCE PLC


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.310 INCHES MINIMUM AND 0.340 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.800 INCHES MINIMUM AND 0.830 INCHES MAXIMUM
DISTANCE FROM CENTERLINE TO FLAT0.187 INCHES MINIMUM AND 0.192 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY2
FASTENER LENGTH1.150 INCHES NOMINAL
FIRST DIAMETER FROM HEAD0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM
HEAD HEIGHT0.150 INCHES NOMINAL
HEAD DIAMETER0.512 INCHES NOMINAL
HEAD STYLEDEE CHAMFER
HOLE CONFIGURATION STYLEROUND
HOLE DIAMETER0.669 INCHES MINIMUM AND 0.739 INCHES MAXIMUM
HOLE QUANTITY1
HOLE TYPEDRILLED
MATERIAL DOCUMENT AND CLASSIFICATIONDTD 5066 FSCM K0378 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
SECOND DIAMETER FROM HEAD0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONRSP 170 FSCM K0378 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.320 INCHES NOMINAL
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH28


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