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National Stock Number:
5306-01-159-8911
Federal Supply Class:
5306
National Item Identification Number:
011598911
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:
| BLT4244 | 52096 | ROLLS-ROYCE INC | | BLT4244 | K0378 | ROLLS-ROYCE PLC | | BLT4244 | 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 | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.307 INCHES NOMINAL | | FASTENER LENGTH | 0.649 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | HEAD STYLE | DEE CHAMFER | | HEAD DIAMETER | 0.512 INCHES NOMINAL | | HEAD HEIGHT | 0.150 INCHES NOMINAL | | DISTANCE FROM CENTERLINE TO FLAT | 0.192 INCHES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 | | FIRST DIAMETER FROM HEAD | 0.260 INCHES NOMINAL | | SECOND DIAMETER FROM HEAD | 0.082 INCHES NOMINAL | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 52096 | | DESIGN CONTROL REFERENCE | BLT4244 |
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