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National Stock Number:
5306-00-866-0068
Federal Supply Class:
5306
National Item Identification Number:
008660068
Description:
BOLT,MACHINE
Detail:
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.
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Manufacturer Information:
| LE20036-2 | 04548 | PROGRESSIVE MACHINERY CORP | | MS20036-2 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | MS20036-2 | 17446 | HUCK INTERNATIONAL, INC | | MS20036-2 | 56878 | SPS TECHNOLOGIES, LLC | | MS20036-2 | 75497 | LAMSON AND SESSIONS CO THE | | MS20036-2 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | | NASM7874 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | | MS20036-2 | 80539 | SPS TECHNOLOGIES, LLC | | MS20036-2 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | MS20036-2 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MS20036-2 | 97928 | HUCK INTL INC |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 0.906 INCHES MINIMUM AND | | 0.953 INCHES MAXIMUM | | MATERIAL | IRON ALLOY 660 OVERALL | | THREAD LENGTH | 0.640 INCHES MINIMUM AND | | 0.719 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR | | AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OR | | AMS5734 ASSN STD SINGLE MATERIAL RESPONSE OR | | AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | HARDNESS RATING | 27.0 ROCKWELL C MINIMUM AND | | 37.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.203 INCHES MINIMUM AND | | 0.235 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.553 INCHES MINIMUM AND | | 0.565 INCHES MAXIMUM | | GRIP LENGTH | 0.234 INCHES MINIMUM AND | | 0.266 INCHES MAXIMUM | | SURFACE FINISH | 63.0 MICROINCHES BEARING SURFACE OF HEAD | | 32.0 MICROINCHES GRIP | | 32.0 MICROINCHES THREADS | | FEATURES PROVIDED | FINISHED HEAD |
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