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National Stock Number:
5306-00-125-9661
Federal Supply Class:
5306
National Item Identification Number:
001259661
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:
| 99-553-0481 | 99995 | NATO STOCK NUMBER ASSIGNED BY ANOTHER NATION | | 99-553-0481 | INTE9 | NATO STOCK NUMBER ASSIGNED BY ANOTHER NATION | | B486385 | 52096 | ROLLS-ROYCE INC | | B486385 | K0378 | ROLLS-ROYCE PLC | | B486385 | K0680 | ROLLS-ROYCE AIRLINES |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.510 INCHES MINIMUM AND | | 0.550 INCHES MAXIMUM | | FASTENER LENGTH | 1.080 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | HEAD STYLE | ROUND W/WRENCH FLATS CHAMFERED | | HEAD DIAMETER | 0.625 INCHES NOMINAL | | HEAD HEIGHT | 0.120 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.431 INCHES MINIMUM AND | | 0.488 INCHES MAXIMUM | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.246 INCHES MINIMUM AND | | 0.249 INCHES MAXIMUM | | SECOND DIAMETER FROM HEAD | 0.190 INCHES MINIMUM AND | | 0.195 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.200 INCHES MINIMUM AND | | 0.230 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.530 INCHES MINIMUM AND | | 0.570 INCHES MAXIMUM |
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