5305-01-142-6481 SCREW,EXTERNALLY RELIEVED BODY Index 5970-01-142-6485 INSULATOR,PLATE

National Stock Number:
5306-01-142-6483

Federal Supply Class:
5306

National Item Identification Number:
011426483

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:
217865406725SPS TECHNOLOGIES, LLC
21786540HBF7BLANC AIRCRAFT FASTENERS INC
217865419552EDWARDS BROTHERS INC.
217865427238BRISTOL INDUSTRIES, LLC
21786542T498MORTON GRINDING, INC
217865456878SPS TECHNOLOGIES, LLC
217865477445RTX CORPORATION
217865492215HOWMET GLOBAL FASTENING SYSTEMS INC


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.570 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.664 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY2
FASTENER LENGTH1.125 INCHES NOMINAL
FIRST DIAMETER FROM HEAD0.519 INCHES MINIMUM AND 0.520 INCHES MAXIMUM
HEAD HEIGHT0.281 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONAMS7471 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY OVERALL
NOMINAL THREAD DIAMETER0.500 INCHES
SECOND DIAMETER FROM HEAD0.405 INCHES MINIMUM AND 0.445 INCHES MAXIMUM
SPECIAL FEATURESCONCENTRIC HOLE IN HEAD DIA. 0.250 IN.; DEPTH OF HOLE 0.650 IN.
WIDTH BETWEEN FLATS0.746 INCHES NOMINAL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.555 INCHES NOMINAL
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH20


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