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National Stock Number:
5306-00-858-7657
Federal Supply Class:
5306
National Item Identification Number:
008587657
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:
| 430418 | 77445 | RTX CORPORATION | | 430418 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 430418 | 93907 | TEXTRON FASTENING SYSTEMS DBA DECORAH OPERATIONS TFS |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 1A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.105 INCHES MINIMUM AND | | 1.145 INCHES MAXIMUM | | FASTENER LENGTH | 1.490 INCHES MINIMUM AND | | 1.510 INCHES MAXIMUM | | MATERIAL | IRON ALLOY 660 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | HEAD STYLE | SQUARE | | HEAD HEIGHT | 0.220 INCHES MINIMUM AND | | 0.230 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.610 INCHES MINIMUM AND | | 0.620 INCHES MAXIMUM | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 | | FIRST DIAMETER FROM HEAD | 0.306 INCHES MINIMUM AND | | 0.312 INCHES MAXIMUM | | SECOND DIAMETER FROM HEAD | 0.235 INCHES MINIMUM AND | | 0.245 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.240 INCHES MINIMUM AND | | 0.260 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.365 INCHES MINIMUM AND | | 0.385 INCHES MAXIMUM | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 93907 | | DESIGN CONTROL REFERENCE | 430418 |
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