5305-01-042-7536 SCREW,MACHINE Index 5305-01-042-7539 SETSCREW

National Stock Number:
5305-01-042-7538

Federal Supply Class:
5305

National Item Identification Number:
010427538

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:
BACS12BG02-381205THE BOEING COMPANY


Techincal Specification:
FASTENER LENGTH0.160 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.155 INCHES MINIMUM AND 0.167 INCHES MAXIMUM
HEAD HEIGHT0.053 INCHES MINIMUM AND 0.062 INCHES MAXIMUM
HEAD STYLEPAN
INTERNAL DRIVE STYLEHIGH-TORQUE
LOCKING FEATUREPATCH OR PELLET THREADS
MATERIALPLASTIC LOCKING FEATURE
MATERIALSTEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 FASTENER
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.086 INCHES
SPECIFICATION/STANDARD DATA81205-BACS12BG PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.125 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
THREAD QUANTITY PER INCH56
THREAD SERIES DESIGNATORUNJC


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