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National Stock Number:
5306-01-316-8947
Federal Supply Class:
5306
National Item Identification Number:
013168947
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:
| 4069321 | 77445 | RTX CORPORATION | | 5306PL1499171 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.514 INCHES NOMINAL | | FASTENER LENGTH | 1.635 INCHES MINIMUM AND | | 1.655 INCHES MAXIMUM | | MATERIAL | COBALT ALLOY OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 7475 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | HEAD HEIGHT | 0.373 INCHES MINIMUM AND | | 0.393 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.438 INCHES NOMINAL | | EXTENDED WASHER DIAMETER | 0.552 INCHES MINIMUM AND | | 0.572 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.092 INCHES NOMINAL | | HOLE CONFIGURATION STYLE | DOUBLE HEXAGON LONGITUDINAL HOLE | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 1 | | HOLE DIAMETER | 0.250 INCHES MINIMUM AND | | 0.270 INCHES MAXIMUM | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 | | FIRST DIAMETER FROM HEAD | 0.307 INCHES MINIMUM AND | | 0.311 INCHES MAXIMUM | | SECOND DIAMETER FROM HEAD | 0.421 INCHES NOMINAL | | THIRD DIAMETER FROM HEAD | 0.307 INCHES MINIMUM AND | | 0.311 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.240 INCHES MINIMUM AND | | 0.260 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.645 INCHES MINIMUM AND | | 0.655 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 1.121 INCHES MINIMUM AND | | 1.141 INCHES MAXIMUM | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 77445 | | DESIGN CONTROL REFERENCE | 4069321 |
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