5977-00-413-1745 HOLDER,ELECTRICAL CONTACT BRUSH Index 1560-00-413-1753 FLANGE ASSY

National Stock Number:
5306-00-413-1752

Federal Supply Class:
5306

National Item Identification Number:
004131752

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:
FFB57581348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
FASTENER LENGTH2.000 INCHES NOMINAL
FEATURES PROVIDEDFINISHED HEAD
HARDNESS RATING19.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.749 INCHES MINIMUM AND 0.876 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONSAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH105000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER1.250 INCHES
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 5 GRADE
WIDTH BETWEEN FLATS1.938 INCHES MINIMUM AND 2.000 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A153 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH2.000 INCHES MAXIMUM
THREAD QUANTITY PER INCH7
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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