5306-01-147-7820 BOLT,EXTERNALLY RELIEVED BODY Index 4710-01-147-7822 TUBE,BENT,METALLIC

National Stock Number:
5306-01-147-7821

Federal Supply Class:
5306

National Item Identification Number:
011477821

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:
326039-396214RAYTHEON COMPANY


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.260 INCHES MINIMUM AND
0.290 INCHES MAXIMUM
FASTENER LENGTH1.000 INCHES NOMINAL
MATERIALSTEEL COMP 630 OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
HEAD STYLEHEXAGON
HEAD HEIGHT0.210 INCHES NOMINAL
WIDTH BETWEEN FLATS0.420 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.725 INCHES NOMINAL


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