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National Stock Number:
5306-01-219-7565
Federal Supply Class:
5306
National Item Identification Number:
012197565
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:
| 387-3345-7 | 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC | | 387-3345-7 | 1YQE8 | ALLIANT TECHSYSTEMS OPERATIONS LLC | | 387-3345-7 | 8KP69 | NORTHROP GRUMMAN SYSTEMS CORP | | 387-3345-7 | 8V613 | THE BOEING COMPANY |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 79.2 MILLIMETERS NOMINAL | | EXTENDED WASHER THICKNESS | 2.3 MILLIMETERS NOMINAL | | EXTENDED WASHER DIAMETER | 12.7 MILLIMETERS NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FASTENER LENGTH | 258.7 MILLIMETERS NOMINAL | | FIRST DIAMETER FROM HEAD | 6.6 MILLIMETERS NOMINAL | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 13.1 MILLIMETERS NOMINAL | | HEAD STYLE | HEXAGON EXTENDED WASHER | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC 2ND MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4130 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS | | WIDTH BETWEEN FLATS | 10.0 MILLIMETERS NOMINAL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 13.2 MILLIMETERS NOMINAL | | THREAD SERIES DESIGNATOR | MJ | | THREAD PITCH IN MILLIMETERS | 1.0 |
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