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National Stock Number:
5306-00-794-6624
Federal Supply Class:
5306
National Item Identification Number:
007946624
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:
| 32-94475-3 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.212 INCHES MINIMUM | | FASTENER LENGTH | 1.560 INCHES NOMINAL | | MATERIAL | STEEL COMP 4130 OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | HEAD STYLE | HEXAGON | | HEAD HEIGHT | 0.150 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.218 INCHES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 3 | | FIRST DIAMETER FROM HEAD | 0.249 INCHES NOMINAL | | SECOND DIAMETER FROM HEAD | 0.250 INCHES NOMINAL | | THIRD DIAMETER FROM HEAD | 0.189 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.682 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 1.560 INCHES NOMINAL | | SPECIAL FEATURES | THREAD PORTION OF BOLT IS AT SECOND DIA | | ASKEWED HEAD ANGLE | 30.0 DEGREES NOMINAL |
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