5305-01-018-8070 SETSCREW Index 5305-01-018-8072 SETSCREW

National Stock Number:
5305-01-018-8071

Federal Supply Class:
5305

National Item Identification Number:
010188071

Description:
SETSCREW

Detail:
An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.


Manufacturer Information:
103-3019-509552ATEC INC


Techincal Specification:
FASTENER LENGTH0.838 INCHES MINIMUM AND 0.848 INCHES MAXIMUM
HEAD DIAMETER0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM
HEAD HEIGHT0.306 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.312 INCHES
POINT DIAMETER0.229 INCHES MINIMUM AND 0.234 INCHES MAXIMUM
POINT LENGTH0.190 INCHES NOMINAL
POINT STYLEFLAT
POINT CHAMFER ANGLE90.0 DEGREES NOMINAL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.648 INCHES MINIMUM AND 0.658 INCHES MAXIMUM
THREAD QUANTITY PER INCH18
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.250 INCHES NOMINAL


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