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National Stock Number:
5306-00-869-4479
Federal Supply Class:
5306
National Item Identification Number:
008694479
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:
| 6861705 | 73342 | ALLISON TRANSMISSION INC | | 6861705 | K0680 | ROLLS-ROYCE AIRLINES | | BLT8018 | K0680 | ROLLS-ROYCE AIRLINES |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.385 INCHES NOMINAL | | FASTENER LENGTH | 0.675 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | HEAD STYLE | SQUARE EXTENDED WASHER | | HEAD HEIGHT | 0.265 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.195 INCHES MINIMUM AND | | 0.201 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.388 INCHES MINIMUM AND | | 0.393 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.090 INCHES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 | | FIRST DIAMETER FROM HEAD | 0.190 INCHES NOMINAL | | SECOND DIAMETER FROM HEAD | 0.140 INCHES MINIMUM AND | | 0.145 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.105 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.290 INCHES NOMINAL | | SPECIAL FEATURES | CIRCULAR EXTENSION CENTERED ON HEAD 0.040 IN. LONG; 0.100 IN. DIA. |
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