5305-01-044-6555 SETSCREW Index 5305-01-044-6557 SCREW,CAP,SOCKET HEAD

National Stock Number:
5306-01-044-6556

Federal Supply Class:
5306

National Item Identification Number:
010446556

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:
63-1029217765THE BOEING COMPANY
63-1029281205THE BOEING COMPANY


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.750 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.570 INCHES NOMINAL
FASTENER LENGTH6.057 INCHES MINIMUM AND
6.087 INCHES MAXIMUM
MATERIALSTEEL COMP E4340 OR
STEEL COMP 4140 OVERALL
SURFACE TREATMENTCADMIUM AND
CHROMATE HEAD
CADMIUM AND
CHROMATE GRIP
PAINT THREADS
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
STYLE DESIGNATORCONCENTRIC HOLE UNTHREADED
CONCENTRIC HOLE DIAMETER0.406 INCHES MINIMUM AND
0.421 INCHES MAXIMUM
HEAD STYLEDISHED HEXAGON
HEAD HEIGHT0.375 INCHES MINIMUM AND
0.390 INCHES MAXIMUM
WIDTH BETWEEN FLATS1.052 INCHES MINIMUM AND
1.064 INCHES MAXIMUM
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER5.944 INCHES NOMINAL FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER0.141 INCHES MINIMUM AND
0.151 INCHES MAXIMUM FIRST HOLE


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