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National Stock Number:
5306-01-272-5796
Federal Supply Class:
5306
National Item Identification Number:
012725796
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:
| 1286M77G01 | 06710 | VALLEY-TODECO, INC. | | 1286M77G01 | 07482 | GENERAL ELECTRIC COMPANY | | 1286M77G01 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 1286M77G01 | 1A249 | ACCURATE THREADED PRODUCTS COMPANY THE | | 1286M77G01 | 56878 | SPS TECHNOLOGIES, LLC | | 1286M77G01 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FASTENER LENGTH | 0.980 INCHES MINIMUM AND 1.000 INCHES MAXIMUM | | FEATURES PROVIDED | SPACER | | FIRST DIAMETER FROM HEAD | 0.189 INCHES MINIMUM AND 0.194 INCHES MAXIMUM | | HEAD HEIGHT | 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM | | HEAD STYLE | DISHED HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 7477 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SPECIAL FEATURES | SHIM IS SWAGED INTO HEAD | | WIDTH BETWEEN FLATS | 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.890 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 28 |
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