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National Stock Number: 5306-00-515-9015
Federal Supply Class: 5306
National Item Identification Number: 005159015
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:
2070D122 | 0AHP5 | CURTISS-WRIGHT CONTROLS, INC. |
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Techincal Specification:
THREAD SERIES DESIGNATOR | UNF | NOMINAL THREAD DIAMETER | 0.312 INCHES | THREAD QUANTITY PER INCH | 24 | THREAD CLASS | 3A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.370 INCHES MINIMUM AND | | 0.430 INCHES MAXIMUM | FASTENER LENGTH | 0.918 INCHES MINIMUM AND | | 0.928 INCHES MAXIMUM | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND | | 32.0 ROCKWELL C MAXIMUM OVERALL | HEAD HEIGHT | 0.203 INCHES NOMINAL | WIDTH BETWEEN FLATS | 0.500 INCHES NOMINAL | HOLE CONFIGURATION STYLE | HEXAGON FLATS | HOLE TYPE | DRILLED | HOLE QUANTITY | 2 | HOLE DIAMETER | 0.062 INCHES NOMINAL | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 | FIRST DIAMETER FROM HEAD | 0.307 INCHES MINIMUM AND | | 0.312 INCHES MAXIMUM | SECOND DIAMETER FROM HEAD | 0.229 INCHES MINIMUM AND | | 0.233 INCHES MAXIMUM | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.120 INCHES MINIMUM AND | | 0.160 INCHES MAXIMUM | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.498 INCHES MINIMUM AND | | 0.548 INCHES MAXIMUM | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
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