5305-01-199-4343 SCREW,MACHINE Index 5305-01-199-4345 SCREW,CAP,SOCKET HEAD

National Stock Number:
5306-01-199-4344

Federal Supply Class:
5306

National Item Identification Number:
011994344

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:
AEB02F375A50AW9A9605047THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS
ASME B18.2.105047THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS
B1821BH038F150L80204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED
FF-S-8581348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS90727-64L96906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH1.438 INCHES MINIMUM AND
1.500 INCHES MAXIMUM
MATERIALSTEEL OVERALL
PLASTIC POLYAMIDE LOCKING FEATURE
STEEL FASTENER
THREAD LENGTH1.000 INCHES MINIMUM AND
1.188 INCHES MAXIMUM
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS2A
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J429 GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
SURFACE TREATMENTZINC AND
CHROMATE FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B633 TY 2 SC 3 ASSN STD SINGLE TREATMENT RESPONSE FASTENER
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND
38.0 ROCKWELL C MAXIMUM FASTENER
MINIMUM TENSILE STRENGTH150000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.226 INCHES MINIMUM AND
0.243 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.551 INCHES MINIMUM AND
0.562 INCHES MAXIMUM
LOCKING FEATUREPATCH OR
STRIP THREADS
FEATURES PROVIDEDFINISHED HEAD
SPECIAL FEATURESLOCKING FEATURE MATERIAL PLASTIC POLYMIDE
NONDEFINITIVE SPEC/STD DATA2 TYPE AND
10P STYLE AND
8 GRADE


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