5306-00-018-0077 BOLT,MACHINE Index 5306-00-018-0079 BOLT,MACHINE

National Stock Number:
5306-00-018-0078

Federal Supply Class:
5306

National Item Identification Number:
000180078

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:
12349319207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
21390819207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
942760524617GENERAL MOTORS CORP
FFS85TYPE2STYLE10PGRADE581348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
HP-176-61482204HENRY PRODUCTS DIV CARDWELL CONDENSER CORP
HP176-61482204HENRY PRODUCTS DIV CARDWELL CONDENSER CORP
MS35297-3396906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
FASTENER LENGTH0.875 INCHES NOMINAL
FEATURES PROVIDEDFINISHED HEAD
HARDNESS RATING23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH120000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.312 INCHES
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 10P STYLE
WIDTH BETWEEN FLATS0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
SURFACE TREATMENTCADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.875 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH18


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