5306-00-058-1416 BOLT,EYE Index 5821-00-058-1418 CHASSIS,ELECTRICAL-ELECTRONIC EQUIPMENT

National Stock Number:
5306-00-058-1417

Federal Supply Class:
5306

National Item Identification Number:
000581417

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:
215-88402-180378TRIUMPH AEROSTRUCTURES, LLC


Techincal Specification:
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER3.020 INCHES MINIMUM AND 3.030 INCHES MAXIMUM FIRST HOLE
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER2.800 INCHES MINIMUM AND 2.810 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER2.880 INCHES MINIMUM AND 2.890 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY2
FASTENER LENGTH3.160 INCHES MINIMUM AND 3.200 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD0.749 INCHES NOMINAL
HARDNESS RATING43.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.180 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIALSTEEL COMP 4340 OVERALL
MINIMUM TENSILE STRENGTH200000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.375 INCHES
SECOND DIAMETER FROM HEAD0.309 INCHES MINIMUM AND 0.314 INCHES MAXIMUM
SHANK UNTHREADED HOLE DIAMETER0.106 INCHES NOMINAL FIRST HOLE
SURFACE TREATMENTCADMIUM AND CHROMIUM HEAD
SURFACE TREATMENTCADMIUM AND CHROMIUM THREADS
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.280 INCHES MINIMUM AND 0.290 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH24
WIDTH BETWEEN FLATS1.110 INCHES MINIMUM AND 1.120 INCHES MAXIMUM


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