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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.
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Manufacturer Information:
| 2178654 | 06725 | SPS TECHNOLOGIES, LLC | | 2178654 | 0HBF7 | BLANC AIRCRAFT FASTENERS INC | | 2178654 | 19552 | EDWARDS BROTHERS INC. | | 2178654 | 27238 | BRISTOL INDUSTRIES, LLC | | 2178654 | 2T498 | MORTON GRINDING, INC | | 2178654 | 56878 | SPS TECHNOLOGIES, LLC | | 2178654 | 77445 | RTX CORPORATION | | 2178654 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.555 INCHES NOMINAL | | FASTENER LENGTH | 1.125 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS7471 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | HEAD STYLE | HEXAGON | | HEAD HEIGHT | 0.281 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.746 INCHES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 | | FIRST DIAMETER FROM HEAD | 0.519 INCHES MINIMUM AND | | 0.520 INCHES MAXIMUM | | SECOND DIAMETER FROM HEAD | 0.405 INCHES MINIMUM AND | | 0.445 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.570 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.664 INCHES NOMINAL | | SPECIAL FEATURES | CONCENTRIC HOLE IN HEAD DIA. 0.250 IN.; DEPTH OF HOLE 0.650 IN. |
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