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National Stock Number:
5306-01-343-1083
Federal Supply Class:
5306
National Item Identification Number:
013431083
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:
| 17P1C2116-1 | 88277 | THE BOEING COMPANY |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 1.125 INCHES | | THREAD QUANTITY PER INCH | 12 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.753 INCHES NOMINAL | | FASTENER LENGTH | 5.705 INCHES MINIMUM AND | | 5.795 INCHES MAXIMUM | | MATERIAL | STEEL COMP 4340 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6414 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | HEAD STYLE | ROUND W/WRENCH FLATS CHAMFERED | | HEAD DIAMETER | 1.900 INCHES NOMINAL | | HEAD HEIGHT | 0.250 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 1.500 INCHES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 | | FIRST DIAMETER FROM HEAD | 1.170 INCHES MINIMUM AND | | 1.180 INCHES MAXIMUM | | SECOND DIAMETER FROM HEAD | 1.247 INCHES MINIMUM AND | | 1.248 INCHES MAXIMUM | | THIRD DIAMETER FROM HEAD | 0.625 INCHES MINIMUM AND | | 0.626 INCHES MAXIMUM | | FOURTH DIAMETER FROM HEAD | 1.247 INCHES MINIMUM AND | | 1.248 INCHES MAXIMUM | | FIFTH DIAMETER FROM HEAD | 1.000 INCHES MINIMUM AND | | 1.010 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.125 INCHES NOMINAL | | SIXTH DIAMETER FROM HEAD | 1.113 INCHES MINIMUM AND | | 1.125 INCHES MAXIMUM |
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