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National Stock Number: 5306-00-721-8565
Federal Supply Class: 5306
National Item Identification Number: 007218565
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.
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Manufacturer Information:
756050-1 | 17772 | AERO ENGINEERING & MANUFACTURING COMPANY OF CALIFORNIA, LLC | 756050-1 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.120 INCHES NOMINAL | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | FASTENER LENGTH | 1.650 INCHES NOMINAL | FIRST DIAMETER FROM HEAD | 1.000 INCHES NOMINAL | HEAD HEIGHT | 0.300 INCHES NOMINAL | HEAD STYLE | HEXAGON | MATERIAL | STEEL COMP 4140 OVERALL | MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH | NOMINAL THREAD DIAMETER | 1.125 INCHES | WIDTH BETWEEN FLATS | 1.370 INCHES NOMINAL | THREAD CLASS | 3A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 1.150 INCHES MINIMUM | THREAD QUANTITY PER INCH | 12 | THREAD SERIES DESIGNATOR | UNF |
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