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National Stock Number:
5306-00-474-3086
Federal Supply Class:
5306
National Item Identification Number:
004743086
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:
| 23902 | 00198 | PRATT & WHITNEY CANADA CORP | | EAB1720 | 81996 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.750 INCHES | | THREAD QUANTITY PER INCH | 16 | | NONSTANDARD THREAD PITCH DIAMETER | 0.7080 TO 0.7100 INCHES | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.688 INCHES MINIMUM | | FASTENER LENGTH | 2.070 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | HEAD STYLE | HEXAGON COUNTERSUNK | | BOTTOM COUNTERSINK DIAMETER | 0.656 INCHES NOMINAL | | HEAD HEIGHT | 0.118 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 1.188 INCHES NOMINAL | | COUNTERSINK ANGLE | 30.0 DEGREES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.656 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 1.382 INCHES NOMINAL | | SPECIAL FEATURES | FOUR SLOTS IN THD END |
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