5325-01-392-3438 INSERT,PANEL FASTENER Index 3120-01-392-3440 BEARING,SLEEVE

National Stock Number:
5306-01-392-3439

Federal Supply Class:
5306

National Item Identification Number:
013923439

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:
74D741120-213176301THE BOEING COMPANY


Techincal Specification:
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FASTENER LENGTH1.352 INCHES NOMINAL
HEAD HEIGHT0.168 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A-582 CL303 COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OR STEEL COMP 303MA OR STEEL COMP 303PB OR STEEL COMP 303 PLUS X OR STEEL COMP 303SE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES
SURFACE TREATMENTPASSIVATE OVERALL
THREAD LENGTH0.237 INCHES MINIMUM AND 0.320 INCHES MAXIMUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH24
WIDTH BETWEEN FLATS0.500 INCHES NOMINAL


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