5306-01-168-1728 BOLT,MACHINE Index 5305-01-168-1732 SCREW,MACHINE

National Stock Number:
5306-01-168-1729

Federal Supply Class:
5306

National Item Identification Number:
011681729

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:
FF-S-8581348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS35307-32896906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
NASM35307-32880205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH0.407 INCHES MINIMUM AND
0.438 INCHES MAXIMUM
MATERIALSTEEL COMP 301 OR
STEEL COMP 302 OR
STEEL COMP 302B OR
STEEL COMP 303 OR
STEEL COMP 303SE OR
STEEL COMP 304 OR
STEEL COMP 304L OR
STEEL COMP 305 OR
STEEL COMP 308 OR
STEEL COMP 309 OR
STEEL COMP 309S OR
STEEL COMP 310 OR
STEEL COMP 310S OR
STEEL COMP 314 OR
STEEL COMP 316 OR
STEEL COMP 316L OR
STEEL COMP 317 OR
STEEL COMP 321 OR
STEEL COMP 347 OR
STEEL COMP 348 OR
STEEL COMP 384 OR
STEEL COMP 385 OVERALL
THREAD LENGTH0.228 INCHES MINIMUM AND
0.438 INCHES MAXIMUM
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS2A
SURFACE TREATMENTPASSIVATE OVERALL
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND
38.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH150000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.195 INCHES MINIMUM AND
0.211 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.489 INCHES MINIMUM AND
0.500 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
NONDEFINITIVE SPEC/STD DATA2 TYPE AND
10P STYLE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEFF-S-85


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