3120-00-479-1188 BEARING,SLEEVE Index 3120-00-479-1193 BUSHING,SLEEVE

National Stock Number:
5306-00-479-1190

Federal Supply Class:
5306

National Item Identification Number:
004791190

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:
640750AHP5CURTISS-WRIGHT CONTROLS, INC.


Techincal Specification:
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER2.719 INCHES NOMINAL FIRST HOLE
DISTANCE FROM CENTERLINE TO FLAT0.281 INCHES NOMINAL
FASTENER LENGTH2.828 INCHES NOMINAL
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH2.060 INCHES MINIMUM AND 2.140 INCHES MAXIMUM
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.250 INCHES NOMINAL
HEAD DIAMETER0.813 INCHES NOMINAL
HEAD STYLEDEE CHAMFER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 8740 OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES
NONSTANDARD THREAD PITCH DIAMETER+0.3455 TO 0.3474 INCHES
SHANK UNTHREADED HOLE DIAMETER0.094 INCHES MINIMUM AND 0.101 INCHES MAXIMUM FIRST HOLE
SURFACE TREATMENTCADMIUM AND DICHROMATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.688 INCHES MINIMUM AND 0.768 INCHES MAXIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNF


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