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National Stock Number:
5306-01-172-3268
Federal Supply Class:
5306
National Item Identification Number:
011723268
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:
| BLT4614 | K0378 | ROLLS-ROYCE PLC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.766 INCHES NOMINAL | | FASTENER LENGTH | 2.141 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | HEAD STYLE | HEXAGON | | HEAD HEIGHT | 0.140 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.439 INCHES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 | | FIRST DIAMETER FROM HEAD | 0.210 INCHES NOMINAL | | SECOND DIAMETER FROM HEAD | 1.165 INCHES NOMINAL | | SPECIAL FEATURES | SECOND DIA FROM HEAD 0.195 IN. ROUNDED FROM 0.250 IN. | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | K0378 | | DESIGN CONTROL REFERENCE | BLT4614 |
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