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National Stock Number:
5306-00-515-9572
Federal Supply Class:
5306
National Item Identification Number:
005159572
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:
| 6727049 | 24617 | GENERAL MOTORS CORP | | 6727049 | 73342 | ALLISON TRANSMISSION INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.688 INCHES MINIMUM | | FASTENER LENGTH | 1.625 INCHES NOMINAL | | MATERIAL | STEEL COMP 316 OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | HEAD STYLE | HEXAGON | | HEAD HEIGHT | 0.188 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.490 INCHES MINIMUM AND | | 0.502 INCHES MAXIMUM | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 | | FIRST DIAMETER FROM HEAD | 0.316 INCHES MINIMUM AND | | 0.328 INCHES MAXIMUM | | SECOND DIAMETER FROM HEAD | 0.336 INCHES MINIMUM AND | | 0.338 INCHES MAXIMUM | | THIRD DIAMETER FROM HEAD | 0.245 INCHES MINIMUM AND | | 0.255 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.062 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.781 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 0.938 INCHES NOMINAL | | SPECIAL FEATURES | RELIEF 0.010 IN. MIN 0.020. DEEP BY 1/16 IN. W BETWEEN HEAD AND SHOULDER | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 73342 | | DESIGN CONTROL REFERENCE | 6727049 |
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