5305-01-172-3267 SCREW,MACHINE Index 5306-01-172-3269 BOLT,SHEAR

National Stock Number:
5306-01-172-3268

Federal Supply Class:
5306

National Item Identification Number:
011723268

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:
BLT4614K0378ROLLS-ROYCE PLC


Techincal Specification:
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY2
FASTENER LENGTH2.141 INCHES NOMINAL
FIRST DIAMETER FROM HEAD0.210 INCHES NOMINAL
HEAD HEIGHT0.140 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
SECOND DIAMETER FROM HEAD1.165 INCHES NOMINAL
SPECIAL FEATURESSECOND DIA FROM HEAD 0.195 IN. ROUNDED FROM 0.250 IN.
WIDTH BETWEEN FLATS0.439 INCHES NOMINAL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.766 INCHES NOMINAL
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH28


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