5306-01-159-8911 BOLT,EXTERNALLY RELIEVED BODY Index 5306-01-159-8913 BOLT,CLOSE TOLERANCE

National Stock Number:
5306-01-159-8912

Federal Supply Class:
5306

National Item Identification Number:
011598912

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:
AS24419K7766BRITISH STANDARDS INSTITUTION


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.378 INCHES MINIMUM AND 0.408 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.120 INCHES MINIMUM AND 0.150 INCHES MAXIMUM
EXTENDED WASHER DIAMETER0.375 INCHES NOMINAL
EXTENDED WASHER THICKNESS0.040 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY2
FASTENER LENGTH1.188 INCHES NOMINAL
FIRST DIAMETER FROM HEAD0.186 INCHES MINIMUM AND 0.189 INCHES MAXIMUM
HEAD HEIGHT0.258 INCHES NOMINAL
HEAD STYLEDOUBLE HEXAGON W/HOLE
HOLE CONFIGURATION STYLEDOUBLE HEXAGON LONGITUDINAL HOLE
HOLE DIAMETER0.100 INCHES NOMINAL
HOLE QUANTITY1
HOLE TYPEDRILLED
MATERIALALUMINUM ALLOY OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES
SECOND DIAMETER FROM HEAD0.137 INCHES MINIMUM AND 0.142 INCHES MAXIMUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.630 INCHES MINIMUM AND 0.690 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)
THREAD QUANTITY PER INCH32
WIDTH BETWEEN FLATS0.250 INCHES NOMINAL


Click here to Register for Free 30-day Trial

© 2026 NSN-Now. All rights reserved.    Privacy Policy  |  Contact Us