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National Stock Number:
5306-00-058-6573
Federal Supply Class:
5306
National Item Identification Number:
000586573
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:
| 6840383-15 | 0UCY9 | M.S. AEROSPACE INC. | | 6840383-15 | 24617 | GENERAL MOTORS CORP | | 6840383-15 | 63005 | ROLLS-ROYCE CORPORATION | | 6840383-15 | 73342 | ALLISON TRANSMISSION INC |
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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 | 0.688 INCHES MINIMUM | | FASTENER LENGTH | 0.938 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND | | 42.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | HEAD STYLE | DEE CHAMFER | | HEAD DIAMETER | 0.531 INCHES NOMINAL | | HEAD HEIGHT | 0.156 INCHES NOMINAL | | DISTANCE FROM CENTERLINE TO FLAT | 0.127 INCHES MINIMUM AND | | 0.132 INCHES MAXIMUM | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 | | FIRST DIAMETER FROM HEAD | 0.221 INCHES MINIMUM AND | | 0.231 INCHES MAXIMUM | | SECOND DIAMETER FROM HEAD | 0.246 INCHES MINIMUM AND | | 0.249 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.060 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.250 INCHES NOMINAL | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 63005 | | DESIGN CONTROL REFERENCE | 6840383-15 |
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