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National Stock Number:
5306-01-343-1079
Federal Supply Class:
5306
National Item Identification Number:
013431079
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:
| 17P1C2115-1 | 88277 | THE BOEING COMPANY |
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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 | 0.290 INCHES MINIMUM AND | | 0.300 INCHES MAXIMUM | | FASTENER LENGTH | 1.700 INCHES NOMINAL | | MATERIAL | STEEL COMP 4340 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6414 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | HEAD STYLE | DEE | | HEAD DIAMETER | 1.000 INCHES NOMINAL | | HEAD HEIGHT | 0.140 INCHES NOMINAL | | DISTANCE FROM CENTERLINE TO FLAT | 0.395 INCHES MINIMUM AND | | 0.400 INCHES MAXIMUM | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 4 | | FIRST DIAMETER FROM HEAD | 0.590 INCHES MINIMUM AND | | 0.600 INCHES MAXIMUM | | SECOND DIAMETER FROM HEAD | 0.617 INCHES MINIMUM AND | | 0.618 INCHES MAXIMUM | | THIRD DIAMETER FROM HEAD | 0.426 INCHES MINIMUM AND | | 0.436 INCHES MAXIMUM | | FOURTH DIAMETER FROM HEAD | 0.4919 INCHES MINIMUM AND | | 0.5000 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.093 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 1.265 INCHES MINIMUM AND | | 1.275 INCHES MAXIMUM |
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