5306-01-082-8228 BOLT,MACHINE Index 5305-01-082-8231 SCREW,MACHINE

National Stock Number:
5306-01-082-8229

Federal Supply Class:
5306

National Item Identification Number:
010828229

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.


Manufacturer Information:
MS20036-1406950HOWMET GLOBAL FASTENING SYSTEMS INC
MS20036-1417446HUCK INTERNATIONAL, INC
MS20036-1456878SPS TECHNOLOGIES, LLC
MS20036-1475497LAMSON AND SESSIONS CO THE
MS20036-1480205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
MS20036-1480539SPS TECHNOLOGIES, LLC
NASM787480205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
MS20036-1492215HOWMET GLOBAL FASTENING SYSTEMS INC
MS20036-1496906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS20036-1497928HUCK INTL INC


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH2.156 INCHES MINIMUM AND
2.203 INCHES MAXIMUM
MATERIALSTEEL CORROSION RESISTING OVERALL
THREAD LENGTH0.640 INCHES MINIMUM AND
0.719 INCHES MAXIMUM
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNJF
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-7874 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING27.0 ROCKWELL C MINIMUM AND
37.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH140000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.203 INCHES MINIMUM AND
0.235 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.553 INCHES MINIMUM AND
0.565 INCHES MAXIMUM
GRIP LENGTH1.484 INCHES MINIMUM AND
1.516 INCHES MAXIMUM
SURFACE FINISH63.0 MICROINCHES BEARING SURFACE OF HEAD
3.0 MICROINCHES GRIP
32.0 MICROINCHES THREADS
FEATURES PROVIDEDFINISHED HEAD


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