3110-00-063-9147 BEARING,BALL,ANNULAR Index 3110-00-063-9149 BEARING,BALL,ANNULAR

National Stock Number:
5306-00-063-9148

Federal Supply Class:
5306

National Item Identification Number:
000639148

Description:
BOLT,INTERNALLY RELIEVED BODY

Detail:
An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see BOLT, FLUID PASSAGE.


Manufacturer Information:
128CM12245-326512NORTHROP GRUMMAN SYSTEMS CORPORATION
128CM12245-379RG9NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
CONCENTRIC HOLE DIAMETER0.373 INCHES MINIMUM AND 0.380 INCHES MAXIMUM
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER3.834 INCHES NOMINAL FIRST HOLE
FASTENER LENGTH3.932 INCHES MINIMUM AND 3.962 INCHES MAXIMUM
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.375 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIALSTEEL COMP E4340 OR STEEL COMP 4340 OVERALL
NOMINAL THREAD DIAMETER0.750 INCHES
SHANK UNTHREADED HOLE DIAMETER0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM FIRST HOLE
STYLE DESIGNATORCOUNTERBORE UNTHREADED
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.572 INCHES MINIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH16
WIDTH BETWEEN FLATS1.052 INCHES MINIMUM AND 1.064 INCHES MAXIMUM


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