5306-01-242-4269 BOLT,SQUARE NECK Index 5305-01-242-4271 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-01-242-4270

Federal Supply Class:
5305

National Item Identification Number:
012424270

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.


Manufacturer Information:
1047206ZRX6UNBRAKO, LLC
38030-94C-656878SPS TECHNOLOGIES, LLC


Techincal Specification:
FASTENER LENGTH0.345 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.201 INCHES MINIMUM AND 0.213 INCHES MAXIMUM
HEAD HEIGHT0.051 INCHES MINIMUM AND 0.059 INCHES MAXIMUM
HEAD STYLEBUTTON
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.112 INCHES
WIDTH ACROSS FLATS0.062 INCHES NOMINAL
SURFACE TREATMENTOXIDE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.295 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNRC
THREAD QUANTITY PER INCH40


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