5305-00-889-3123 SCREW,CLOSE TOLERANCE Index 5305-00-889-3128 SCREW,CLOSE TOLERANCE

National Stock Number:
5306-00-889-3126

Federal Supply Class:
5306

National Item Identification Number:
008893126

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:
LE20035-504348LAWRENCE ENGINEERING AND SUPPLY INC
MS20035-506950HOWMET GLOBAL FASTENING SYSTEMS INC
MS20035-517446HUCK INTERNATIONAL, INC
MS20035-556878SPS TECHNOLOGIES, LLC
MS20035-575497LAMSON AND SESSIONS CO THE
MS20035-580205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
NASM787480205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
MS20035-580539SPS TECHNOLOGIES, LLC
MS20035-592215HOWMET GLOBAL FASTENING SYSTEMS INC
MS20035-596906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS20035-597928HUCK INTL INC


Techincal Specification:
FASTENER LENGTH1.172 INCHES MINIMUM AND 1.219 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM
HARDNESS RATING27.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)
WIDTH BETWEEN FLATS0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.531 INCHES MINIMUM AND 0.610 INCHES MAXIMUM


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