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National Stock Number:
5306-00-307-0796
Federal Supply Class:
5306
National Item Identification Number:
003070796
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:
| 1284690-103 | 98897 | LOCKHEED MARTIN CORP | | 1284690-105 | 57928 | SONIC INDUSTRIES, INC. | | 1284690-105 | 7Y516 | KEYSTONE TOOL AND MACHINE CO | | 1284690-105 | 84596 | AVIATION MANUFACTURING GROUP, LLC | | 1284690-105 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.300 INCHES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FASTENER LENGTH | 2.450 INCHES NOMINAL | | FIRST DIAMETER FROM HEAD | 0.355 INCHES MINIMUM AND 0.365 INCHES MAXIMUM | | HEAD HEIGHT | 0.520 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP E4340 OVERALL | | NOMINAL THREAD DIAMETER | 0.438 INCHES | | WIDTH BETWEEN FLATS | 0.746 INCHES MINIMUM AND 0.750 INCHES MAXIMUM | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 1.630 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 20 |
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