3110-00-915-1977 ROLLER,BEARING Index 5306-00-915-1982 BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5306-00-915-1979

Federal Supply Class:
5306

National Item Identification Number:
009151979

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:
56329577445RTX CORPORATION
56329580539SPS TECHNOLOGIES, LLC
56329592215HOWMET GLOBAL FASTENING SYSTEMS INC
56329593907TEXTRON FASTENING SYSTEMS DBA DECORAH OPERATIONS TFS


Techincal Specification:
DISTANCE FROM CENTERLINE TO FLAT0.118 INCHES MINIMUM AND 0.123 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER0.402 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.233 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER0.330 INCHES MINIMUM AND 0.350 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.078 INCHES MINIMUM AND 0.088 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY4
FASTENER LENGTH0.910 INCHES MINIMUM AND 0.930 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD0.270 INCHES MINIMUM AND 0.272 INCHES MAXIMUM
FOURTH DIAMETER FROM HEAD0.185 INCHES MINIMUM AND 0.195 INCHES MAXIMUM
HEAD DIAMETER0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
HEAD HEIGHT0.170 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
HEAD STYLEDEE CHAMFER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALIRON ALLOY 660 OVERALL
MINIMUM TENSILE STRENGTH150000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES
SECOND DIAMETER FROM HEAD0.185 INCHES MINIMUM AND 0.195 INCHES MAXIMUM
THIRD DIAMETER FROM HEAD0.270 INCHES MINIMUM AND 0.272 INCHES MAXIMUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.518 INCHES MINIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH28


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