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National Stock Number:
5306-00-921-0086
Federal Supply Class:
5306
National Item Identification Number:
009210086
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:
| 10513295 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 1.438 INCHES MINIMUM AND 1.454 INCHES MAXIMUM | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FASTENER LENGTH | 2.234 INCHES MINIMUM AND 2.250 INCHES MAXIMUM | | FIRST DIAMETER FROM HEAD | 0.390 INCHES MINIMUM AND 0.406 INCHES MAXIMUM | | HEAD HEIGHT | 0.296 INCHES MINIMUM AND 0.312 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL COMP 303 OR STEEL COMP 303SE OVERALL | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.592 INCHES MINIMUM AND 0.608 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNF | | WIDTH BETWEEN FLATS | 0.734 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
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