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National Stock Number:
5306-01-227-6562
Federal Supply Class:
5306
National Item Identification Number:
012276562
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:
| 122-52581-1 | 04614 | TEXTRON SYSTEMS CORPORATION |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.375 INCHES NOMINAL | | FASTENER LENGTH | 0.355 INCHES MINIMUM AND | | 0.365 INCHES MAXIMUM | | MATERIAL | STEEL COMP 416 OVERALL | | HARDNESS RATING | 40.0 ROCKWELL C NOMINAL OVERALL | | HEAD STYLE | HEXAGON | | HEAD HEIGHT | 0.885 INCHES MINIMUM AND | | 0.895 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.500 INCHES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.305 INCHES MINIMUM AND | | 0.315 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.100 INCHES MINIMUM AND | | 0.120 INCHES MAXIMUM |
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