5306-00-576-6459 BOLT,MACHINE Index 6730-00-576-6491 PROJECTOR,STILL PICTURE

National Stock Number:
5306-00-576-6486

Federal Supply Class:
5306

National Item Identification Number:
005766486

Description:
BOLT,EXTERNALLY RELIEVED BODY

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercuts for thread relief). It is No. 10 (0.190 IN.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, INTERNAL WRENCHING and THUMBSCREW. See also SCREW, EXTERNALLY RELIEVED BODY.


Manufacturer Information:
RC27-2176005LORD CORPORATION


Techincal Specification:
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER2.920 INCHES NOMINAL FIRST HOLE
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.141 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.297 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER2.540 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY3
FASTENER LENGTH3.090 INCHES NOMINAL
FIRST DIAMETER FROM HEAD0.438 INCHES NOMINAL
HEAD HEIGHT0.250 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIALSTEEL COMP 2330 OVERALL
NOMINAL THREAD DIAMETER0.438 INCHES
SECOND DIAMETER FROM HEAD0.342 INCHES NOMINAL
SHANK UNTHREADED HOLE DIAMETER0.108 INCHES NOMINAL FIRST HOLE
SPECIAL FEATURESCOTTERPIN HOLES 90.0 DEG APART
WIDTH BETWEEN FLATS0.625 INCHES NOMINAL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A
THIRD DIAMETER FROM HEAD0.438 INCHES NOMINAL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.550 INCHES MINIMUM
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNF


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