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National Stock Number:
5306-00-842-1237
Federal Supply Class:
5306
National Item Identification Number:
008421237
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:
| LE20038-4 | 04348 | LAWRENCE ENGINEERING AND SUPPLY INC | | MS20038-4 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | MS20038-4 | 17446 | HUCK INTERNATIONAL, INC | | MS20038-4 | 56878 | SPS TECHNOLOGIES, LLC | | MS20038-4 | 75497 | LAMSON AND SESSIONS CO THE | | MS20038-4 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | | MS20038-4 | 80539 | SPS TECHNOLOGIES, LLC | | MS20038-4 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | MS20038-4 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MS20038-4 | 97928 | HUCK INTL INC | | NASM7874 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| FASTENER LENGTH | 1.328 INCHES NOMINAL | | FEATURES PROVIDED | FINISHED HEAD | | GRIP LENGTH | 0.500 INCHES NOMINAL | | HEAD HEIGHT | 0.265 INCHES MINIMUM AND 0.297 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-7874 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | MINIMUM TENSILE STRENGTH | 110000 POUNDS PER SQUARE INCH | | MINIMUM YIELD STRENGTH | 90000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | SPECIAL TEST FEATURES | RAPTURE STRENGTH AN 1200 DEG F SHALL NOT BE LESS THAN 47000 PSI IN 100 HRS | | WIDTH BETWEEN FLATS | 0.740 INCHES MINIMUM AND 0.752 INCHES MAXIMUM | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.828 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNF |
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