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.
NSN 6110-00-609-2772
NSN 6320-01-607-2978
NSN 6130-00-736-4382
NSN 5910-01-442-7789
NSN 6150-01-355-7185
NSN 6105-00-903-0891
NSN 5910-01-508-7868
NSN 6610-01-423-5889
NSN 5895-00-099-9532
NSN 6110-00-925-7410
NSN 5985-01-053-6830
NSN 5960-01-502-6270