5306-01-249-4045 BOLT,CLOSE TOLERANCE Index 5306-01-249-4047 BOLT,MACHINE

National Stock Number:
5306-01-249-4046

Federal Supply Class:
5306

National Item Identification Number:
012494046

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:
ST2015-0640UCY9M.S. AEROSPACE INC.
ST2015-06477445RTX CORPORATION


Techincal Specification:
THREAD SERIES DESIGNATORUNJF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.620 INCHES MINIMUM AND
0.640 INCHES MAXIMUM
FASTENER LENGTH1.990 INCHES MINIMUM AND
2.010 INCHES MAXIMUM
MATERIALTITANIUM ALLOY UNS R56400 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 7461 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLEDOUBLE HEXAGON W/HOLE
HEAD HEIGHT0.248 INCHES MINIMUM AND
0.268 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.250 INCHES NOMINAL
EXTENDED WASHER DIAMETER0.365 INCHES MINIMUM AND
0.385 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.040 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.165 INCHES MINIMUM AND
0.175 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER1.370 INCHES NOMINAL


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