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National Stock Number:
5306-01-200-1404
Federal Supply Class:
5306
National Item Identification Number:
012001404
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:
| 919C761 PIECE 2 | 79500 | WESTINGHOUSE ELECTRIC CORP | | 919C761 PIECE 2 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 1.126 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 2.251 INCHES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 6 | | FASTENER LENGTH | 9.438 INCHES NOMINAL | | FIFTH DIAMETER FROM HEAD | 2.560 INCHES NOMINAL | | FIRST DIAMETER FROM HEAD | 2.560 INCHES NOMINAL | | FOURTH DIAMETER FROM HEAD | 2.375 INCHES NOMINAL | | HEAD HEIGHT | 1.500 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 2.500 INCHES | | SECOND DIAMETER FROM HEAD | 2.375 INCHES NOMINAL | | SIXTH DIAMETER FROM HEAD | 2.125 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 3.750 INCHES NOMINAL | | THIRD DIAMETER FROM HEAD | 2.553 INCHES MINIMUM AND 2.565 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.906 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 8 | | THREAD SERIES DESIGNATOR | UNC |
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