5305-01-391-2167 SCREW,CLOSE TOLERANCE Index 5305-01-391-2169 SCREW,MACHINE

National Stock Number:
5307-01-391-2168

Federal Supply Class:
5307

National Item Identification Number:
013912168

Description:
STUD,SELF-LOCKING

Detail:
A headed fastener threaded externally on a portion or on the full length of the shank. The head has projections on the underside or periphery, or is otherwise designed to be mechanically pressed and embedded in a metallic panel, or the like. It is securely locked in position by the displaced metal. For items that require locking rings, see BOLT, SELF-LOCKING and STUD, LOCKED IN. Excludes INSERT, SCREW THREAD.


Manufacturer Information:
M63540/3-5-481349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
DISTANCE ACROSS FLATS0.172 INCHES MINIMUM AND 0.202 INCHES MAXIMUM
HARDNESS RATING171.0 ROCKWELL B MINIMUM
HEAD DIAMETER0.157 INCHES NOMINAL
HEAD LENGTH0.035 INCHES MINIMUM AND 0.041 INCHES MAXIMUM
LOCKING FEATURESELF-CLINCHING HEAD
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD ALL MATERIAL RESPONSES
MATERIALSTEEL COMP 303 OR STEEL COMP 303SE
OVERALL LENGTH0.285 INCHES MINIMUM AND 0.291 INCHES MAXIMUM
STYLE DESIGNATORSELF-LOCKING


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