5305-00-807-6437 SETSCREW Index 5305-00-807-6440 SCREW,MACHINE

National Stock Number:
5305-00-807-6439

Federal Supply Class:
5305

National Item Identification Number:
008076439

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:
36868977445RTX CORPORATION
36868996429WESTPORT INTERNATIONAL INC.
9-48005159501UNISON INDUSTRIES LLC
9-48005196429WESTPORT INTERNATIONAL INC.


Techincal Specification:
FASTENER LENGTH0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM
HARDNESS RATING98.0 ROCKWELL C NOMINAL OVERALL
HEAD DIAMETER0.200 INCHES MINIMUM AND 0.205 INCHES MAXIMUM
HEAD HEIGHT0.122 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
HEAD STYLEDOUBLE CHAMFER
INTERNAL DRIVE STYLESIX SPLINE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6300 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4037 OVERALL
MINIMUM TENSILE STRENGTH115000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.125 INCHES
SPLINE MINOR DIAMETER0.096 INCHES MINIMUM AND 0.098 INCHES MAXIMUM
SPLINE WIDTH0.023 INCHES MINIMUM AND 0.025 INCHES MAXIMUM
SPLINE MAJOR DIAMETER0.113 INCHES MINIMUM AND 0.115 INCHES MAXIMUM
SURFACE TREATMENTCADMIUM OVERALL
THREAD LENGTH0.128 INCHES MINIMUM AND 0.178 INCHES MAXIMUM
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH40


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